检索Jquery中输入文本字段的值 [英] Retrieving the Value of an input text field in Jquery

问题描述

绝对菜鸟问题.

我有一个表格

<form>
  <input type="text" id="cars" name="cars"/>
</form>

当用户单击链接时，我的jquery函数需要获取此输入字段的当前值.

When the user clicks on a link , my jquery function needs to pick up the current value of this input field.

如何检索此值?进行$(#cars").val给我一个html块，而不是用户键入的字符串，而且$("cars").text也抛出一个空值.

How do I retrieve this value? Doing a $("#cars").val gives me a block of html and not the string typed in by the user, Also $("cars").text throws a null value.

有什么建议吗?

推荐答案

确保您将其作为函数调用(带括号！)，$("#cars").val()将在此处为您提供所需的信息.

Make sure you're calling it as a function (with parenthesis!), $("#cars").val() will give you want you want here.

例如:

$("button").click(function() {
    alert($("#cars").val());
});​

您可以在此处进行测试，而没有括号，您将获得函数，而不执行它，并获得结果，了解我在演示.

You can test it out here, without the parenthesis you're getting the function, not executing it and getting the result, see what I mean in a demo of that here.

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