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How to change the name value in jquery

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2023-04-06 08:59:071118browse

JQuery is a popular JavaScript library that allows developers to more easily work with HTML pages, event handling, and dynamic effects. When developing a website, changing the name attribute of a form control is a common task. Here are some ways to change the name property of a form control in JQuery.

Method 1: Use the attr() function

Using the attr function is a common method of changing the name attribute, which allows you to programmatically access and change attributes on HTML elements. Here is an example that demonstrates how to use the attr() function to change the name attribute of a text box input:

// 获取输入框元素
var txtBox = $('input[type="text"]');

// 更改name属性
txtBox.attr('name', 'newName');

Changing the name attribute of a radio button is similar to the example of changing the text box, just modify the selector.

Method 2: Use the prop() function

Using the prop function is also a way to change the properties of a form control. Unlike the attr function, the prop function is more suitable for handling special form attributes, such as checked and disabled. The following example demonstrates how to change the name attribute of a check box to a new value:

// 获取复选框元素
var chkBox = $('input[type="checkbox"]');

// 更改name属性
chkBox.prop('name', 'newName');

Method 3: Use the serialize() function

If you need to change the properties of multiple form controls at once, Then using the serialize() function is a more efficient method. This function allows you to access form data in serialized form, and you can change its properties using regular expression matching.

For example, the following example demonstrates how to change the name attribute of all text boxes in the form from "oldName" to "newName":

// 获取整个表单
var form = $('form');

// 序列化表单数据
var serializedData = form.serialize();

// 使用正则表达式将name从“oldName”更改为“newName”
serializedData = serializedData.replace(/name="oldName"/g, 'name="newName"');

// 序列化后的数据重新分配给表单
form.deserialize(serializedData);

Using the above method, you can easily change the name property in JQuery Change the name attribute of the form control in . These methods have the same functionality, but the best method depends on your specific needs and environment.

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