我在 IE8 中没有触发 jQuery 验证的问题。所有其他浏览器都可以完美运行。
我在这里创建了一个缩减示例:
http://www.gilkes.me.uk/jqueryvalidation/index.html
您可以看到,在 IE9、Firefox 等中,如果在未选中任一复选框的情况下按下按钮,则会显示工具提示验证消息。
在 IE8 中,不执行验证。为什么是这样?
表单标记:
<form action="http://www.google.com" method="post">
<div style="margin-top: 50px; text-align: left; margin-left: 30px;">
<ul>
<li style="list-style: none;">
<input class="checkbox" data-val="true" data-val-checkboxtrue="You must tick the box indicated." data-val-required="The QuestionAccepted field is required." id="Questions_0__QuestionAccepted" name="Questions[0].QuestionAccepted" type="checkbox" value="true" /><input name="Questions[0].QuestionAccepted" type="hidden" value="false" />
<strong>Question 1.</strong>
<input id="Questions_0__QuestionText" name="Questions[0].QuestionText" type="hidden" value="That you have been a United Kingdom resident for at least 6 out of the last 12 months." />
<input id="Questions_0__ValidationMessage" name="Questions[0].ValidationMessage" type="hidden" value="Please confirm that you have read and understood " />
<span class="field-validation-valid" data-valmsg-for="Questions[0].QuestionAccepted" data-valmsg-replace="true"></span></li>
<li style="list-style: none; margin-top: 30px;">
<input class="checkbox" data-val="true" data-val-checkboxtrue="You must tick the box indicated." data-val-required="The QuestionAccepted field is required." id="Questions_1__QuestionAccepted" name="Questions[1].QuestionAccepted" type="checkbox" value="true" /><input name="Questions[1].QuestionAccepted" type="hidden" value="false" />
<strong>Question 2.</strong>
<input id="Questions_1__QuestionText" name="Questions[1].QuestionText" type="hidden" value="That you are aged 74 or under." />
<input id="Questions_1__ValidationMessage" name="Questions[1].ValidationMessage" type="hidden" value="That you are aged 74 or under." />
<span class="field-validation-valid" data-valmsg-for="Questions[1].QuestionAccepted" data-valmsg-replace="true"></span></li>
</ul>
<p style="margin-top: 30px;">
<button type="submit" id="Continue" class="button-continue">
Buy Now
</button>
</p>
</div>
</form>
我认为这个脚本可能有问题。其中的某些内容无法与 IE8 正常工作:
<script type="text/javascript">
jQuery.validator.unobtrusive.adapters.add("checkboxtrue", function (options) {
if (options.element.tagName.toUpperCase() == "INPUT" && options.element.type.toUpperCase() == "CHECKBOX") {
options.rules["required"] = true;
if (options.message) {
options.messages["required"] = options.message;
}
}
});
</script>