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This article introduces the relevant knowledge of "how to exclude the first element in jquery". In the operation process of actual cases, many people will encounter such difficulties. Next, let Xiaobian lead you to learn how to deal with these situations! I hope you can read carefully and learn something!

In jquery, you can exclude the first element by using the not() method and the ":first" selector, the not() method is used to return elements that do not meet certain conditions, and the ":first" selector is used to select the first element. The syntax is "element object.not(":first")".

Operating environment for this tutorial: Windows 10 system, jquery version 3.2.1, Dell G3 computer.

How does jquery exclude the first element?

The not() method returns elements that do not meet certain conditions.

This method lets you specify a condition. Elements that do not meet the criteria are returned from the selection, and elements that meet the criteria are removed.

This method is typically used to remove one or more elements from a selected combination of elements.

The:first selector selects the first element.

Examples are as follows:

Create a new html file named test.html, which is used to delete all li except the first li in ul in jquery. Import jquery.min.js library file, successfully load the file, can use the method in jquery. Create a list using the ul and li tags. The contents of li are Test 1, Test 2, and Test 3. Create a button using the button tab with the name "delete li." Binds an onclick event to the button, and executes the delalli () function when the button is clicked.

Create a delalli() function, inside the function, get li objects through "ul li", use not() method to exclude li that is not deleted, use not() method to exclude the first li object through ":first", and use remove() method to delete other li objects.

Open the test.html file in your browser and click on the button to see how it works.

After clicking the button:

Summary:

Create a test.html file.

Within the file, create a list using ul, li tags, and create a button to trigger the execution of the js function.

3. In the js tag, create a function. In the function, get the li object through "ul li", use the not() method to exclude the li that is not deleted, and use the ":first" method to exclude the first li object in the not() method. Use the remove() method to delete other li objects.

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