复制代码 代码如下:
//清空form选择
function clearform(id){
var formobj = document.getelementbyid(id);
if(formobj == undefined){
return;
}
for(var i=0; iif(formobj.elements[i].type == text){
formobj.elements[i].value = ;
}
else if(formobj.elements[i].type == password){
formobj.elements[i].value = ;
}
else if(formobj.elements[i].type == radio){
formobj.elements[i].checked = false;
}
else if(formobj.elements[i].type == checkbox){
formobj.elements[i].checked = false;
}
else if(formobj.elements[i].type == select-one){
formobj.elements[i].options[0].selected = true;
}
else if(formobj.elements[i].type == select-multiple){
for(var j = 0; j formobj.elements[i].options[j].selected = false;
}
}
else if(formobj.elements[i].type == file){
//formobj.elements[i].select();
//document.selection.clear();
// for ie, opera, safari, chrome
var file = formobj.elements[i];
if(file.outerhtml){
file.outerhtml = file.outerhtml;
}else{
file.value = ; // ff(包括3.5)
}
}
else if(formobj.elements[i].type == textarea){
formobj.elements[i].value = ;
}
}
}