php短视频源码，点赞时会有大拇指动画飘起

php短视频源码，点赞时会有大拇指动画飘起

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(function() {<br>    var coreSocialistValues <br>      , index = Math.floor(Math.random() * coreSocialistValues.length);<br>    document.body.addEventListener('click', function(e) {<br>        if (e.target.tagName == 'A') { return; }<br>        var x = e.pageX<br>          , y = e.pageY<br>          , span = document.createElement('span');<br>        span.textContent = coreSocialistValues[index];<br>        index = (index + 1) % coreSocialistValues.length;//取模循环<br>        span.style.cssText = ['z-index: 9999999; position: absolute; font-weight: bold; color: #ff6651; top: ', y - 20, 'px; left: ', x, 'px;'].join(''); document.body.appendChild(span); animate(span); });<br>    function animate(el) {//动画 var i = 0 , top = parseInt(el.style.top) , id = setInterval(frame, 16.7); function frame() {//帧 if (i > 180) { clearInterval(id); el.parentNode.removeChild(el); } else { i += 2; el.style.top = top - i + 'px'; el.style.opacity = (180 - i) / 180; } } }<br>}());

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