insertRow和insertCell--不换行

< script language = " javascript " >
<!--
function  xxx() { 
var cNum=document.all["I_cNum"].value
var getTable= document.getElementById("T_choice");   
for(i=0;i<cNum;i++){
var oTR = getTable.insertRow();
var oTDa = oTR.insertCell();
var oTDb=oTR.insertCell();
//oTDa.width=20;
//oTDb.width=760;
oTDa.innerText =cNum+".";
oTDb.style.cssText="word-break:break-all;"
oTDb.innerText="asdfffffffffddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddfffffffffffffffffffffff";

}
}
</ script >

</ head >
< body onLoad = " xxx() " >
< input type = " hidden "  name = " I_cNum "  value = " 4 " >
< table width = " 780 "  border = " 1 "  align = " center "  bgcolor = " #6699FF "  id = " T_choice " >
</ table >