Execute event after image loading is complete

This article mainly shares with you an example of an image loading completion and then execution event. It has a very good reference value. Let’s follow the editor to have a look. I hope it will be helpful to everyone. I hope it can help everyone.

Examples are as follows:

//图片加载 function load(imgSrc,callback) { var imgs = []; var c = 0; for (var i = 0; i < imgSrc.length; i++) { imgs[i] = new Image(); imgs[i].src = imgSrc[i]; imgs[i].onload = function(){ c++ if(c == imgSrc.length){ if(callback){ callback(); } } } } return imgs; }

Application scenarios: Some pages with many pictures, some pages that need to add loading effects such as progress bars or percentage reading, generally used more on mobile pages

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