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This article introduces the relevant knowledge of "what is the meaning of $in jquery". In the operation of actual cases, many people will encounter such a dilemma. Then let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

In jquery, "$" means "get", which is mainly used to get the element object, which can be manipulated using the jquery method by getting the object; syntax "$(selector)".

The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.

The $in jQuery means to get, which is equivalent to document.getElemenById ("id name"); of course, it is also equivalent to document.getElementsByClassName ("class name"), and so on.

The $symbol is mainly used to get the element object, which can be manipulated using the jquery method.

$is actually another name for jQuery, which refers to the jQuery object, and jQuery is a function provided by the jQuery library.

The function of this function is to find and select elements in the html document according to the parameters in (). One of the functions is to replace GetElementByID, but it can be not only an ID, but also a variety of selectors.

For example:

$(document) is to select the entire document object

That can only be replaced by $, no. To prevent naming conflicts, the jQuery library provides an additional mechanism to give jQuery functions another alias.

For example:

Var jq = jQuery.noConflict (); / / Do something with jQueryj ("div p") .hide (); / / Do something with another library's $() $("content") .style.display = 'none'

You can use jq instead of jQuery and $in your code.

To put it simply, $is the jquery object, and $() is jQuery (), where you can pass parameters to get the element.

That's all for "what does $in jquery mean?" Thank you for your reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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