How to get the name attribute of jquery

王林
Release: 2023-05-18 13:51:08
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jQuery is a JavaScript-based library used to simplify operations such as processing HTML documents, handling events, and animation effects. When using jQuery, you often need to obtain the name attribute of an element in order to perform some operations.

To get the name attribute of an element, you can use jQuery's attr function. This function can get a certain attribute value of the element, and can also set the attribute value. Here are two ways to get the name attribute of an element.

Method 1: Use the attr function to get the name attribute of the element

In jQuery, use the attr function to get the attribute value of the element. You can get the value of a specific attribute of an element by passing the attribute name. For example, to get the name attribute value of the element with id test, you can write like this:

var name = $('#test').attr('name'); 
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In the above code, $ means using the jQuery selector to get the element, #test means selecting the element with id test, attr('name ') means to get the name attribute value of the element.

Method 2: Use the prop function to obtain the name attribute of the element

In addition to the attr function, jQuery also provides the prop function, which can be used to obtain the attribute value of the element. The usage of the prop function is similar to the attr function, but when processing attributes, the prop function focuses more on the state of the element and is suitable for processing attributes related to Boolean values, such as disabled, checked, etc. To get the name attribute of the element with id test, you can write it like this:

var name = $('#test').prop('name'); 
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is similar to the attr function, $ means using the jQuery selector to get the element, #test means selecting the element with id test, prop('name') Represents getting the name attribute value of the element.

It should be noted that the method of obtaining the attribute value depends on the attribute type. For example, for checked properties, you should use the prop function instead of the attr function.

Summary

Through the above two methods, you can get the name attribute value of the element in jQuery. When using the attr function, you can get any attribute value of the element. When using the prop function, you can get the attribute value related to the element state.

In the actual development process, the appropriate acquisition method should be selected based on the attribute type and element status to ensure the correctness and efficiency of the code.

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