src的onerror

<script type="text/javascript">
    function imgerrorfun(){
        var img = event.srcElement;
        img.src = "images/nopic.gif";
        img.onerror = null;   //防止死循环导致浏览器报错
    }
</script>

<img src="images/logo.png" onerror="imgerrorfun();" />
1. event.srcElement 取对象,这个真灵活
2. 执行一次之后就 mg.onerror=null,以免发生死循环

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转载自www.cnblogs.com/hkjm/p/13179574.html