| 1 |
(function () { |
| 2 |
'use strict'; |
| 3 |
|
| 4 |
var TEXTS = { |
| 5 |
easy: [ |
| 6 |
'The sun is bright and the sky is blue. Birds fly over the trees and flowers bloom in the field. A gentle breeze blows through the leaves.', |
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'She walked to the store to buy some fruit. The apples were red and the bananas were yellow. She also picked up some bread and milk.', |
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'The cat sat on the mat and looked at the dog. The dog wagged its tail and ran around the yard. They were good friends who loved to play.' |
| 9 |
], |
| 10 |
medium: [ |
| 11 |
'The quick brown fox jumps over the lazy dog. Pack my box with five dozen liquor jugs. How vexingly quick daft zebras jump in the fog.', |
| 12 |
'Technology is rapidly changing the way we live and work. Smartphones and computers have become essential tools for communication and productivity in modern society.', |
| 13 |
'Scientists have discovered that regular exercise improves both physical and mental health. Even a short daily walk can significantly reduce stress and boost mood levels.' |
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], |
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hard: [ |
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'Cryptography encompasses the techniques used to secure communication in the presence of adversarial behavior. Modern cryptographic systems rely on mathematical problems believed to be computationally intractable.', |
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'Quantum mechanics describes the behavior of matter and energy at the subatomic scale, where classical physics breaks down entirely. Particles can exhibit wave-particle duality and exist in superposition states.', |
| 18 |
'The Byzantine Generals Problem illustrates the challenge of achieving consensus in distributed systems where components may fail or act maliciously. Practical solutions form the basis of blockchain consensus algorithms.' |
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] |
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}; |
| 21 |
|
| 22 |
function getRank(wpm) { |
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if (wpm >= 100) return { label: 'Stenographer', emoji: '🏆', color: '#f59e0b' }; |
| 24 |
if (wpm >= 80) return { label: 'Professional', emoji: '🥇', color: '#6366f1' }; |
| 25 |
if (wpm >= 60) return { label: 'Advanced', emoji: '🥈', color: '#0ea5e9' }; |
| 26 |
if (wpm >= 40) return { label: 'Average', emoji: '🥉', color: '#22c55e' }; |
| 27 |
if (wpm >= 20) return { label: 'Beginner', emoji: '📝', color: '#f97316' }; |
| 28 |
return { label: 'Novice', emoji: '🌱', color: '#ef4444' }; |
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} |
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|
| 31 |
function randomItem(arr) { return arr[Math.floor(Math.random() * arr.length)]; } |
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|
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function initBlock(root) { |
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var opts; |
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try { opts = JSON.parse(root.getAttribute('data-opts')); } catch (e) { return; } |
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|
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var a = opts; |
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var totalSeconds = parseInt(a.duration) || 60; |
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var difficulty = a.defaultDifficulty || 'medium'; |
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var targetText = ''; |
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var typed = ''; |
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var started = false; |
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var finished = false; |
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var timerInterval = null; |
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var timeLeft = totalSeconds; |
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var errors = 0; |
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var totalTyped = 0; |
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|
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root.innerHTML = ''; |
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|
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var wrap = document.createElement('div'); |
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wrap.className = 'bkbg-tst-wrap'; |
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wrap.style.cssText = 'background:' + a.sectionBg + ';max-width:' + a.contentMaxWidth + 'px;margin:0 auto;'; |
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root.appendChild(wrap); |
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|
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if (a.showTitle) { |
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var h = document.createElement('div'); |
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h.className = 'bkbg-tst-title'; |
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h.style.color = a.titleColor; |
| 60 |
h.textContent = a.title; |
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wrap.appendChild(h); |
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} |
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if (a.showSubtitle) { |
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var s = document.createElement('div'); |
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s.className = 'bkbg-tst-subtitle'; |
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s.style.color = a.subtitleColor; |
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s.textContent = a.subtitle; |
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wrap.appendChild(s); |
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} |
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|
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/* Stats bar */ |
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var statsBar = document.createElement('div'); |
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statsBar.className = 'bkbg-tst-stats'; |
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statsBar.style.background = a.cardBg; |
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wrap.appendChild(statsBar); |
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|
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function makeStat(id, label) { |
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var box = document.createElement('div'); |
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box.className = 'bkbg-tst-stat'; |
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var val = document.createElement('div'); |
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val.className = 'bkbg-tst-stat-val'; |
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val.id = 'bkbg-tst-' + id + '-' + Math.random().toString(36).slice(2); |
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val.style.color = a.accentColor; |
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val.textContent = id === 'time' ? totalSeconds + 's' : '–'; |
| 85 |
var lbl = document.createElement('div'); |
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lbl.className = 'bkbg-tst-stat-lbl'; |
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lbl.style.color = a.subtitleColor; |
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lbl.textContent = label; |
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box.appendChild(val); |
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box.appendChild(lbl); |
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statsBar.appendChild(box); |
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return val; |
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} |
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|
| 95 |
var timeEl = makeStat('time', 'Time'); |
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var wpmEl = a.showLiveWpm ? makeStat('wpm', 'WPM') : null; |
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var accEl = a.showAccuracy ? makeStat('acc', 'Accuracy') : null; |
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var errEl = a.showErrors ? makeStat('err', 'Errors') : null; |
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|
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/* Time bar */ |
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var timeBarWrap = document.createElement('div'); |
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timeBarWrap.className = 'bkbg-tst-time-bar-wrap'; |
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wrap.appendChild(timeBarWrap); |
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var timeBar = document.createElement('div'); |
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timeBar.className = 'bkbg-tst-time-bar'; |
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timeBar.style.cssText = 'width:100%;background:' + a.accentColor + ';'; |
| 107 |
timeBarWrap.appendChild(timeBar); |
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|
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/* Difficulty buttons */ |
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var diffRow = null; |
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if (a.showDifficultyBtn) { |
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diffRow = document.createElement('div'); |
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diffRow.className = 'bkbg-tst-diff-btns'; |
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wrap.appendChild(diffRow); |
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['easy', 'medium', 'hard'].forEach(function (d) { |
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var btn = document.createElement('button'); |
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btn.className = 'bkbg-tst-diff-btn'; |
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btn.textContent = d.charAt(0).toUpperCase() + d.slice(1); |
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setDiffStyle(btn, d === difficulty); |
| 120 |
btn.addEventListener('click', function () { |
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if (started) return; |
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difficulty = d; |
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diffRow.querySelectorAll('.bkbg-tst-diff-btn').forEach(function (b, i) { |
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setDiffStyle(b, ['easy','medium','hard'][i] === difficulty); |
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}); |
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resetTest(); |
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}); |
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diffRow.appendChild(btn); |
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}); |
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} |
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|
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function setDiffStyle(btn, active) { |
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btn.style.cssText = 'background:' + (active ? a.accentColor : '#e5e7eb') + ';color:' + (active ? '#fff' : '#374151') + ';'; |
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} |
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|
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/* Text box */ |
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var textBox = document.createElement('div'); |
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textBox.className = 'bkbg-tst-text-box'; |
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textBox.style.cssText = 'background:' + a.textAreaBg + ';color:' + a.textAreaColor + ';'; |
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wrap.appendChild(textBox); |
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|
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/* Input */ |
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var inputEl = document.createElement('textarea'); |
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inputEl.className = 'bkbg-tst-input'; |
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inputEl.placeholder = 'Click here and start typing to begin the test…'; |
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inputEl.style.cssText = 'background:' + a.cardBg + ';color:' + a.labelColor + ';border-color:' + a.accentColor + ';'; |
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inputEl.disabled = false; |
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wrap.appendChild(inputEl); |
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|
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/* Actions */ |
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var actionsRow = document.createElement('div'); |
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actionsRow.className = 'bkbg-tst-actions'; |
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wrap.appendChild(actionsRow); |
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|
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var startBtn = document.createElement('button'); |
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startBtn.className = 'bkbg-tst-btn'; |
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startBtn.style.background = a.accentColor; |
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startBtn.textContent = '▶ Start Test'; |
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actionsRow.appendChild(startBtn); |
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|
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var resetBtn = document.createElement('button'); |
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resetBtn.className = 'bkbg-tst-btn bkbg-tst-btn-outline'; |
| 163 |
resetBtn.style.cssText = 'color:' + a.accentColor + ';border-color:' + a.accentColor + ';display:none;'; |
| 164 |
resetBtn.textContent = '↺ Try Again'; |
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actionsRow.appendChild(resetBtn); |
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|
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/* Results */ |
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var resultsEl = document.createElement('div'); |
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resultsEl.className = 'bkbg-tst-results'; |
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resultsEl.style.background = a.cardBg; |
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wrap.appendChild(resultsEl); |
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|
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function renderTextBox() { |
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textBox.innerHTML = ''; |
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for (var i = 0; i < targetText.length; i++) { |
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var span = document.createElement('span'); |
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span.className = 'bkbg-tst-char'; |
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span.textContent = targetText[i] === ' ' ? '\u00a0' : targetText[i]; |
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|
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if (i < typed.length) { |
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if (typed[i] === targetText[i]) { |
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span.className += ' bkbg-tst-char-correct'; |
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span.style.color = a.correctColor; |
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} else { |
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span.className += ' bkbg-tst-char-error'; |
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span.style.cssText = 'color:' + a.errorColor + ';background:rgba(239,68,68,0.15);'; |
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} |
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} else if (i === typed.length) { |
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span.className += ' bkbg-tst-char-cursor'; |
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span.style.color = a.textAreaColor; |
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span.querySelector = null; |
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var cursorStyle = document.createElement('style'); |
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var uid = 'cur' + i; |
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span.style.position = 'relative'; |
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var cursor = document.createElement('span'); |
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cursor.style.cssText = 'position:absolute;left:0;top:2px;bottom:2px;width:2px;background:' + a.accentColor + ';border-radius:1px;animation:bkbg-tst-blink 1s step-end infinite;'; |
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span.insertBefore(cursor, span.firstChild); |
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} else { |
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span.style.color = a.textAreaColor; |
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} |
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textBox.appendChild(span); |
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} |
| 203 |
} |
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|
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function calcWpm() { |
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var correctChars = 0; |
| 207 |
for (var i = 0; i < typed.length && i < targetText.length; i++) { |
| 208 |
if (typed[i] === targetText[i]) correctChars++; |
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} |
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var elapsed = totalSeconds - timeLeft; |
| 211 |
if (elapsed === 0) return 0; |
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return Math.round((correctChars / 5) / (elapsed / 60)); |
| 213 |
} |
| 214 |
|
| 215 |
function calcAccuracy() { |
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if (totalTyped === 0) return 100; |
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var correct = totalTyped - errors; |
| 218 |
return Math.round((correct / totalTyped) * 100); |
| 219 |
} |
| 220 |
|
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function updateStats() { |
| 222 |
if (wpmEl) wpmEl.textContent = calcWpm(); |
| 223 |
if (accEl) accEl.textContent = calcAccuracy() + '%'; |
| 224 |
if (errEl) errEl.textContent = errors; |
| 225 |
} |
| 226 |
|
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function startTimer() { |
| 228 |
timerInterval = setInterval(function () { |
| 229 |
timeLeft--; |
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var pct = (timeLeft / totalSeconds) * 100; |
| 231 |
timeBar.style.width = pct + '%'; |
| 232 |
timeEl.textContent = timeLeft + 's'; |
| 233 |
if (timeLeft <= 10) timeEl.style.color = a.errorColor; |
| 234 |
updateStats(); |
| 235 |
if (timeLeft <= 0) { |
| 236 |
clearInterval(timerInterval); |
| 237 |
endTest(); |
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} |
| 239 |
}, 1000); |
| 240 |
} |
| 241 |
|
| 242 |
function endTest() { |
| 243 |
finished = true; |
| 244 |
started = false; |
| 245 |
inputEl.disabled = true; |
| 246 |
startBtn.style.display = 'none'; |
| 247 |
resetBtn.style.display = ''; |
| 248 |
showResults(); |
| 249 |
} |
| 250 |
|
| 251 |
function showResults() { |
| 252 |
var wpm = calcWpm(); |
| 253 |
var acc = calcAccuracy(); |
| 254 |
var rank = getRank(wpm); |
| 255 |
|
| 256 |
resultsEl.innerHTML = ''; |
| 257 |
resultsEl.classList.add('bkbg-tst-show'); |
| 258 |
|
| 259 |
var icon = document.createElement('div'); |
| 260 |
icon.className = 'bkbg-tst-results-icon'; |
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icon.textContent = rank.emoji; |
| 262 |
resultsEl.appendChild(icon); |
| 263 |
|
| 264 |
var htitle = document.createElement('h3'); |
| 265 |
htitle.style.cssText = 'margin:0 0 6px;color:' + a.titleColor + ';font-size:20px;'; |
| 266 |
htitle.textContent = 'Test Complete!'; |
| 267 |
resultsEl.appendChild(htitle); |
| 268 |
|
| 269 |
var grid = document.createElement('div'); |
| 270 |
grid.className = 'bkbg-tst-results-grid'; |
| 271 |
|
| 272 |
[ |
| 273 |
{ val: wpm, lbl: 'WPM', color: a.accentColor }, |
| 274 |
{ val: acc + '%', lbl: 'Accuracy', color: a.correctColor }, |
| 275 |
{ val: errors, lbl: 'Errors', color: errors > 5 ? a.errorColor : a.correctColor } |
| 276 |
].forEach(function (item) { |
| 277 |
var box = document.createElement('div'); |
| 278 |
box.className = 'bkbg-tst-result-item'; |
| 279 |
box.style.background = a.sectionBg; |
| 280 |
var v = document.createElement('div'); |
| 281 |
v.className = 'bkbg-tst-result-val'; |
| 282 |
v.style.color = item.color; |
| 283 |
v.textContent = item.val; |
| 284 |
var l = document.createElement('div'); |
| 285 |
l.className = 'bkbg-tst-result-lbl'; |
| 286 |
l.style.color = a.subtitleColor; |
| 287 |
l.textContent = item.lbl; |
| 288 |
box.appendChild(v); |
| 289 |
box.appendChild(l); |
| 290 |
grid.appendChild(box); |
| 291 |
}); |
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|
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resultsEl.appendChild(grid); |
| 294 |
|
| 295 |
var rankBadge = document.createElement('div'); |
| 296 |
rankBadge.className = 'bkbg-tst-rank'; |
| 297 |
rankBadge.style.background = rank.color; |
| 298 |
rankBadge.textContent = 'Rank: ' + rank.label; |
| 299 |
resultsEl.appendChild(rankBadge); |
| 300 |
} |
| 301 |
|
| 302 |
function resetTest() { |
| 303 |
clearInterval(timerInterval); |
| 304 |
started = false; |
| 305 |
finished = false; |
| 306 |
timeLeft = totalSeconds; |
| 307 |
typed = ''; |
| 308 |
errors = 0; |
| 309 |
totalTyped = 0; |
| 310 |
inputEl.value = ''; |
| 311 |
inputEl.disabled = false; |
| 312 |
startBtn.style.display = ''; |
| 313 |
startBtn.textContent = '▶ Start Test'; |
| 314 |
resetBtn.style.display = 'none'; |
| 315 |
timeEl.textContent = totalSeconds + 's'; |
| 316 |
timeEl.style.color = a.accentColor; |
| 317 |
if (wpmEl) wpmEl.textContent = '–'; |
| 318 |
if (accEl) accEl.textContent = '–'; |
| 319 |
if (errEl) errEl.textContent = '–'; |
| 320 |
timeBar.style.transition = 'none'; |
| 321 |
timeBar.style.width = '100%'; |
| 322 |
setTimeout(function () { timeBar.style.transition = 'width 1s linear'; }, 50); |
| 323 |
resultsEl.classList.remove('bkbg-tst-show'); |
| 324 |
targetText = randomItem(TEXTS[difficulty] || TEXTS.medium); |
| 325 |
renderTextBox(); |
| 326 |
} |
| 327 |
|
| 328 |
inputEl.addEventListener('focus', function () { |
| 329 |
if (!started && !finished) { |
| 330 |
started = true; |
| 331 |
startBtn.textContent = '■ Stop'; |
| 332 |
startTimer(); |
| 333 |
} |
| 334 |
}); |
| 335 |
|
| 336 |
inputEl.addEventListener('input', function () { |
| 337 |
if (!started || finished) return; |
| 338 |
var newVal = inputEl.value; |
| 339 |
if (newVal.length > targetText.length) { |
| 340 |
inputEl.value = newVal.slice(0, targetText.length); |
| 341 |
return; |
| 342 |
} |
| 343 |
var delta = newVal.length - typed.length; |
| 344 |
if (delta > 0) { |
| 345 |
totalTyped += delta; |
| 346 |
var newChar = newVal[newVal.length - 1]; |
| 347 |
var expected = targetText[newVal.length - 1]; |
| 348 |
if (newChar !== expected) errors++; |
| 349 |
} |
| 350 |
typed = newVal; |
| 351 |
renderTextBox(); |
| 352 |
updateStats(); |
| 353 |
|
| 354 |
if (typed === targetText) { |
| 355 |
clearInterval(timerInterval); |
| 356 |
endTest(); |
| 357 |
} |
| 358 |
}); |
| 359 |
|
| 360 |
startBtn.addEventListener('click', function () { |
| 361 |
if (started) { |
| 362 |
clearInterval(timerInterval); |
| 363 |
endTest(); |
| 364 |
} else { |
| 365 |
inputEl.focus(); |
| 366 |
} |
| 367 |
}); |
| 368 |
|
| 369 |
resetBtn.addEventListener('click', function () { resetTest(); }); |
| 370 |
|
| 371 |
resetTest(); |
| 372 |
} |
| 373 |
|
| 374 |
function init() { |
| 375 |
document.querySelectorAll('.bkbg-tst-app').forEach(initBlock); |
| 376 |
} |
| 377 |
|
| 378 |
if (document.readyState === 'loading') { |
| 379 |
document.addEventListener('DOMContentLoaded', init); |
| 380 |
} else { |
| 381 |
init(); |
| 382 |
} |
| 383 |
})(); |
| 384 |
|
