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1.12版jquery.validate IE8 兼容解决方案

搜索 formnovalidate

然后改成这种,也就是if中间注释

                    // allow suppressing validation by adding the html5 formnovalidate attribute to the submit button                    if ($(event.target).attr("formnovalidate") !== undefined) {                        //validator.cancelSubmit = true;                    }

 搜索elements 大概500行左右

  elements: function () {                var validator = this,                    rulesCache = {};                // select all valid inputs inside the form (no submit or reset buttons)                return $(this.currentForm)                .find("input, select, textarea")                .not(":submit, :reset, :image,:button, [disabled]")                .not(this.settings.ignore)                .filter(function () {                    if (!this.name && validator.settings.debug && window.console) {                        console.error("%o has no name assigned", this);                    }                    // select only the first element for each name, and only those with rules specified                    if (this.name in rulesCache || !validator.objectLength($(this).rules())) {                        return false;                    }                    rulesCache[this.name] = true;                    return true;                });            },

 改成这种,然后 运行 会JS报错,然后调试 会提示 原生的js getattribute不存在啥的, 把那里用 替换成

$element.attr

 这样就行了

这是 IE8 兼容的应急方案

顺便说一句 我用的jquery 1.11.0 min

1.12版jquery.validate IE8 兼容解决方案