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This article mainly introduces "how jquery modifies the value of child elements". In daily operation, I believe many people have doubts about how to modify the value of child elements in jquery. The editor consulted all kinds of data and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts of "how to modify the value of child elements by jquery". Next, please follow the editor to study!

Jquery modify the child element value method: 1, use the "$(" element id value ")" statement to get the child element object according to the specified id value; 2, use the html () method to modify the obtained child element object value, the syntax is "child element object .html (" modified value ");".

The operating environment of this tutorial: windows7 system, jquery1.10.0 version, Dell G3 computer.

The method of modifying the value of child elements by jquery

We can use the html () method to return or set the content (inner HTML) of the selected element.

If the method does not set a parameter, it returns the current content of the selected element

The syntax is:

$(selector) .html (content)

Where content is an optional parameter. Specifies the new content of the selected element. This parameter can contain a HTML tag.

Jquery modifies the child element value by using the html method, and the syntax is "element object .html (modified value)";

Let's take a look at this through an example:

$(document) .ready (function () {$(".btn1") .click (function () {$("p"). Html ("Hello world!");})

This is another paragraph.

Change the content of p element

Output result:

At this point, the study on "how jquery modifies the value of child elements" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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