js from 长度判断函数
var iname = [];
function initValid(frm) {
var formElements = frm.elements;
for (var i=0; i<formElements.length;i++) {
var validType = formElements[i].getAttribute('valid');
if (validType==null) continue;
formElements[i].onblur = (function (a,b) {
return function (){validInput(a,b)}
})(formElements[i],frm);
}
}
function validInput(ipt,frm,p) {
if (p==null) p = 'errMsg_';
var fv = new FormValid(frm);
var formElements = frm.elements;
var msgs = fvCheck(ipt,fv,formElements);
if (msgs.length>0) {
document.getElementById(p+ipt.name).innerHTML = msgs.join(',');
document.getElementById(p+ipt.name).style.display='';
} else {
document.getElementById(p+ipt.name).innerHTML = '';
document.getElementById(p+ipt.name).style.display='none';
}
}
补充:网页制作,js教程