29 lines
980 B
Markdown
29 lines
980 B
Markdown
---
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title: jQuery
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---
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## jQuery
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jQuery is the most widely-used JavaScript library, and is used in more than half of all major websites.
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jQuery makes web development easier to use by providing a number of 'helper' functions. These help developers to quickly write DOM (Document Object Model) interactions without needing to manually write as much JavaScript themselves.
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jQuery adds a global variable with all of the libraries methods attached. The naming convention is to have this global variable as <code>$</code>. by typing in <code>$.</code> you have all the jQuery methods at your disposal.
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## Example
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When a user clicks on a button, all <p> elements will be hidden:
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```javascript
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$(document).ready(function(){
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$("button").click(function(){
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$("p").hide();
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});
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});
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```
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#### More Information
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* [jQuery Home Page](https://jquery.com/)
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