jQuery的validate 在ie9和火狐下能用 在ie8下无效解决方法。
juqery.validate.js中发现elements方法中$([]).add(this.currentForm.elements)方法在ie8下有问题，只能得到一个jquery对象。（ie9和火狐浏览器正常）后来根据源码中的注释提示在网站 http://bugs.jquery.com/ticket/2114 得到答案 ：
原文：
I had an issue where jquery.validate was failing in IE6, caused by the above error. I fixed this by updating line 446 and changed:
$([]).add(this.currentForm.elements).filter(":input")
to
$(':input',this.currentForm)
于是把juqery.validate.js中elements方法
return $([]).add(this.currentForm.elements)
.filter(":input")
.not(":submit, :reset, :image, ")
.not( this.settings.ignore )
.filter(function() {
!this.name && validator.settings.debug && window.console && console.error( "%o has no name assigned", this);
// select only the first element for each name, and only those with rules specified
if ( this.name in rulesCache || !validator.objectLength($(this).rules()) )
return false;
rulesCache = true;
return true;
});
修改为：
return $(':input',this.currentForm)
.not(":submit, :reset, :image, ")
.not( this.settings.ignore )
.filter(function() {
!this.name && validator.settings.debug && window.console && console.error( "%o has no name assigned", this);
// select only the first element for each name, and only those with rules specified
if ( this.name in rulesCache || !validator.objectLength($(this).rules()) )
return false;
rulesCache = true;
return true;
});
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