/** * Overriding sliderUpdate() function of shortpixel-image-optimiser\res\js\short-pixel.js * We need to replace sites url with GCS url */ // backing up original function var _bk_sliderUpdate = sliderUpdate; // overriding the original function sliderUpdate = function sliderUpdate(id, thumb, bkThumb, percent, filename) { // replacing sites url with GCS url. thumb = thumb.replace( _stateless_short_pixel.baseurl, _stateless_short_pixel.bucketLink ); // using original function aftr altering thumb url. _bk_sliderUpdate(id, thumb, bkThumb, percent, filename); };