Is jQuery obsolete? Is there still a need to learn?

With the gradual improvement of browser compatibility, DOM operation code is difficult to maintain and many new frameworks do not rely on jQuery. The value of jQuery is greatly reduced and becomes obsolete. But we still need to learn it, because it will still bring us convenience in some aspects.

Many operations in jQuery have brought great convenience to many projects, and many projects contain the shadow of jQuery. But nowadays there are fewer and fewer projects using jQuery. Does this mean that jQuery is outdated? Do we still need to learn it? Next, I will introduce them to you one by one in the article. I hope it will be helpful to everyone.

[Recommended course: jQuery Tutorial]

Advantages of jQuery

(1) jQuery makes it very convenient to operate DOM, define animations and implement ajax requests. It can be said that it can create more modern and dynamic effects

(2) jQuery can be used in Functions implemented on a browser can basically run on other browsers

(3) It solves the compatibility problem of DOM API and makes DOM operation easier

(4 )Support a css selector-like way to select components

(5)Have an easy-to-use plug-in extension mechanism

Is jQuery obsolete?

From the above we can see that jQuery has many advantages, so why so many people have given up using jQuery now? The reasons may be as follows

(1 ) The new DOM standard has added many new methods, covering most use cases;

(2) With the development of technology, the compatibility of current mainstream browsers has been greatly improved, and There will be no serious compatibility issues in the future, so the value of jQuery will be greatly reduced

(3) Although using DOM operations in jQuery is much simplified, the code is still difficult to maintain and reuse. Especially the emergence of mvvm, removing DOM operations from business code makes the code purer and easier to reuse

(4) Nowadays, with the emergence of new frameworks such as react, vue, angularjs, etc., and they all It does not depend on jquery and can be used independently, so jQuery is used less and less.

Is it still necessary to learn jQuery?

Although fewer and fewer people use jQuery on projects now, we still need to learn jQuery. Because no matter whether jQuery is outdated, as long as it makes our development easier, it can still be used. And in terms of DOM operations, event processing and other functions, it still plays a big role.

Summary: The above is the entire content of this article. I hope it will be helpful to everyone.

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