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/** |
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* SimpleTOC load function. |
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*/ |
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const simpletocLoad = function () { |
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const buttons = document.querySelectorAll( 'button.simpletoc-collapsible' ); |
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|
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buttons.forEach( ( button ) => { |
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button.addEventListener( 'click', () => { |
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button.classList.toggle( 'active' ); |
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const content = button.parentElement.nextElementSibling; |
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const isCollapsed = |
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! content.style.maxHeight || content.style.maxHeight === '0px'; |
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|
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button.setAttribute( |
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'aria-expanded', |
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isCollapsed ? 'true' : 'false' |
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); |
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content.style.maxHeight = isCollapsed |
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? `${ content.scrollHeight }px` |
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: '0px'; |
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} ); |
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} ); |
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}; |
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|
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// Allow others to call function if needed. |
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window.simpletocLoad = simpletocLoad; |
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|
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// Check to see if the document is already loaded. |
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if ( document.readyState === 'complete' || document.readyState !== 'loading' ) { |
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simpletocLoad(); |
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} else { |
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// Fallback event if the document is not loaded. |
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document.addEventListener( 'DOMContentLoaded', () => { |
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simpletocLoad(); |
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} ); |
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} |
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|
