Shulou(Shulou.com)06/01 Report--

This article introduces the relevant knowledge of "how jquery judges whether the objects are the same". In the actual case operation process, 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 use the is() method to determine if the objects are the same, which can see if the selected element object matches the selector or jQuery object; the syntax is "jQuery object1.is (jQuery object2)" and returns true if the two objects are the same.

This tutorial operates on Windows 7, jquery version 1.10.2, Dell G3 computers.

In jquery, you can use the is() method to determine if objects are identical.

Determine if two jQuery objects are the same

Use the is() method provided by jQuery, note that you cannot directly use === to determine, even if it is the same element, it is false, because two jQuery objects are constructed.

$(document).ready(function() { /* To determine if the elements are the same, use the is() method You can't judge directly ===, actually it's not the same jquery object. */ let container1 = $('.container') let container2 = $('.container') // false console.log(container1 === container2); // true console.log(container1.is(container2)); }); hello

Description:

is() detects a set of matching elements based on a selector, element, or jQuery object, and returns true if at least one of these elements matches the given parameter.

Grammar:

$(selector).is(filter) Parameter Description filter

A string value containing a selector expression for the matching element. "jquery how to determine whether the object is the same" content is introduced here, thank you for reading. If you want to know more about industry-related knowledge, you can pay attention to the website. Xiaobian will output more high-quality practical articles for everyone!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.