div的style是overflow:hidden,如何判断div的内容是否overflow
rt
------解决方案--------------------if(divobj.style.width.match(/^\d+/) ==  " " +  divobj.scrollWidth) 
 { 
 //not overflow 
 } 
 else 
 { 
 //overflow 
 } 
------解决方案--------------------alert(document.getElementById( "div1 ").style.overFlow) 
 alert(document.getElementById( "div1 ").style.overFlowY) 
 alert(document.getElementById( "div1 ").style.overFlowX)