How to remove a certain string in jquery

In jquery, you can use the replace() method to remove a certain string. This method is used to replace some characters with other characters in the string. When the second parameter of the setting method is empty, you can To achieve the effect of removing strings, the syntax is "replace('characters of string','')".

The operating environment of this tutorial: windows10 system, jquery3.2.1 version, Dell G3 computer.

How to remove a certain string in jquery

In jquery, you can use the replace() method to replace a certain string with empty, thereby removing a certain string.

Create a new html file, named test.html, to explain how jquery removes a certain string. Within the p tag, use the input tag to create a string input box. Set the id of the input tag to stringut, which is mainly used to obtain the input object through the id below.

Use the button tag to create a button with the button name "Remove abc string". Bind the onclick click event to the button button. When the button is clicked, the strfun() function is executed.

In the js tag, create the fun() function. Within the function, obtain the input object through id (stringput), use the val() method to obtain the input string, and then use the replace() method to replace the specified Replace the string with an empty string, for example, replace the abc string with an empty string to remove a certain string. Finally, use the alert() method to output the processed string.

Open the test.html file in the browser, enter the string, click the button to view the results.

Summary:

1. Create a test.html file.

2. In the file, use the input tag to create a string input box and create a button button to trigger the execution of the js function.

3. In the js tag, create a js function. Within the function, obtain the input object, use the val() method to obtain the input string, and then use the replace() method to replace the specified string with Empty to remove a certain string.

Notes

The replace() method is used to replace some characters with other characters in a string.

Recommended related video tutorials: jQuery video tutorial

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