JavaScript调试方法之一
使用try{...}catch(){} 方式，例子如下：function showAlarm(strObject){try{svgElement = document.getElementById(strObject);svgElement.setAttribute("visibility","visible");setTimeout("hideAlarm()",3000);//3秒后结束报警}catch(ex){alert("函数showAlarm()发生异常："+ex.description);}
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