js判断图片是否加载完成

script type=”text/javascript”>
 
    var obj = new Image();
 
    obj.src = “yourpicurl.jpg”;
 
    obj.onload = function()
 
    {
 
    document.getElementById(”mypic”).innnerHTML = “<img src=’”+this.src+”‘ />”;
 
    }
 
    </script>

<script type=”text/javascript”>
 
    var obj = new Image();
 
    obj.src = “yourpicurl.jpg”;
 
    obj.onreadystatechange = function()
 
    {
 
    if ( this.readyState == “complete”)
 
    {
 
    document.getElementById(”mypic”).innnerHTML = “<img src=’”+this.src+”‘ />”;
 
    }
 
    }
 
    </script>