JQuery selector usage example _ jquery-js tutorial

This article mainly introduces the usage of the jQuery selector. It analyzes the usage tips and precautions of the jQuery selector based on examples. For more information, see the examples in this article. We will share this with you for your reference. The details are as follows:

JQuery uses two methods to select the html element. The first method is to combine CSS and the Xpath selector to form a string and transmit it to the jQuery Constructor (for example: $ ("p> ul a"); the second is to use several methods of the jQuery object ). These two methods can also be combined for hybrid use.

There are many methods to select CSS and XPath selectors. For details about CSS selectors, refer to related articles on this site.

First, let's take a look at getting an element through the element ID: $ ("# id"). Adding # In front of the name indicates that this is an id. Do not discard the quotation marks.

Add a span element with the id of msg to the page and display helloworld In the span element, which can be implemented as follows:

  Hello