<script language="JavaScript" type="text/JavaScript">
function getNewsTitle1(str,sum){
var rstr=str;
var sum=sum; var len=0;
len=rstr.length;
if(len>sum){
return rstr.substring(0,sum)+'...';
}else{
return rstr;
}
}
</script>
function getNewsTitle1(str,sum){
var rstr=str;
var sum=sum; var len=0;
len=rstr.length;
if(len>sum){
return rstr.substring(0,sum)+'...';
}else{
return rstr;
}
}
</script>
len=rstr.length;
红色的作用是 接受参数啊
<script language="JavaScript" type="text/JavaScript">
function getNewsTitle1(str,sum){
var len=str.length||0;
if(len>sum){
return str.substring(0,sum)+'...';
}else{
return str;
}
}
</script>