Created by Jerry Wang on Jun 21, 2015
source code:
<html>
<div>Button
<button type="button" onclick = "display()">Click Me!</button>
</div>
<img id="jerry_image" src= "http://chuantu.biz/t2/10/1434770977x1822613880.jpg"></img>
<script src="jQuery/jquery1.7.1.js">
</script>
<script>
function display() {
alert("button clicked!");
};
console.time("image");
$("#jerry_image").load(function() {
console.timeEnd("image");
console.log("Jerry image load ok");
});
$(document).ready( function() {
console.log("ok");
});
</script>
</html>
在image load其content的24多秒钟的时间段内，ui始终保持可操作状态 - button可以点击：
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