<script> var a="c:/test/test2/xx.doc"; document.write(a); var new_a=a.lastIndexOf("/") \\取得最后一个"/"符号的位置 var new_a1=a.slice(new_a+1) alert(new_a1); </script>
function addoptions(objo) { var attachemt=document.all.file1.value; // const s="\"; if(attachemt==""){ var msgerr="err"; window.alert(msgerr);} else{ var aoption = document.createElement("OPTION"); aoption.value=attachemt; var new_a=attachemt.lastIndexOf("\"); 把”/”改成”\”产生错误﹕无法判断字符串常数结尾﹐该如何搞定呀 alert(new_a); var new_al=attachemt.slice(new_a+1); alert(new_al); aoption.text=new_al; objo.add(aoption);} }
var a="c:/test/test2/xx.doc";
document.write(a);
var new_a=a.lastIndexOf("/") \\取得最后一个"/"符号的位置
var new_a1=a.slice(new_a+1)
alert(new_a1);
</script>
{
var attachemt=document.all.file1.value;
// const s="\";
if(attachemt==""){
var msgerr="err";
window.alert(msgerr);}
else{
var aoption = document.createElement("OPTION");
aoption.value=attachemt;
var new_a=attachemt.lastIndexOf("\"); 把”/”改成”\”产生错误﹕无法判断字符串常数结尾﹐该如何搞定呀
alert(new_a);
var new_al=attachemt.slice(new_a+1);
alert(new_al);
aoption.text=new_al;
objo.add(aoption);}
}
var new_a=attachemt.lastIndexOf("\\");