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jquery sets button text

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2023-05-08 14:58:07824browse

In web development, it is often necessary to set and obtain text for elements such as buttons or links. Among them, jQuery can be used to manipulate the text content of elements very conveniently.

  1. Set button text

You can set the text content of the button through jQuery's text() method. For example, the following code can set the text content of the button to "Submit":

$('#submit-btn').text('提交');

Among them, the $ symbol means calling the jQuery library, #submit-btn means selecting the button element with the ID submit-btn, text() The method is used to set the text content of the element, and 'submit' represents the new text content.

  1. Get button text

If you need to get the text content of the button, you can use jQuery's text() method. For example, the following code can obtain the text content of the button with the ID submit-btn:

var text = $('#submit-btn').text();
console.log(text);

Among them, var text means defining a variable to store the obtained text content, and the text() method is used to obtain the button element The text content, console.log(text) is used to output the value of the variable text in the browser console.

  1. Replace part of the text content

In addition to setting the text content of the entire button, you can also replace part of the text content through jQuery's replaceWith() method. For example, the following code can replace "Submit" in the text content of the button with id submit-btn as "Save":

$('#submit-btn').replaceWith($('#submit-btn').text().replace('提交', '保存'));

Among them, the replaceWith() method is used to replace the specified element, $('#submit -btn').text() is used to get the text content of the button, and .replace('Submit', 'Save') is used to replace "Submit" in the text with "Save".

Summary

By using the text() method and replaceWith() method in the jQuery library, you can easily set and get the text content of the button, and you can partially replace the text content. In web development, these operations are very common, and mastering these methods can improve development efficiency and code readability.

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