//control font num :first cell and last cell filter
function controlFontNum(num){
// alert("aaa");
var mytable1=document.getElementById("table1");
for(var i=0;i<mytable1.rows.length;i++)
{
var aaa=mytable1.rows[i].cells;
for(var j=1;j<aaa.length-1;j++)
{
var bbb=aaa[j];
if(bbb.innerHTML.length>num)
{
bbb.innerHTML=bbb.innerHTML.substring(0,num)+'...';
}
}
}
}
使用
<body onload="controlFontNum(10);">
<table id="table1">