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Removing duplicates from JavaScript arrays is a relatively common requirement, and there are many so...

Summary of JavaScript method e...

Array deduplication; The Array type does not provide a deduplication method. If you want to remove d...

Detailed explanation of how to...

Previously, when using cookies, they were all operated in the form of document.cookie. Although the ...

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PHP can set cookies. What are the benefits of using js to set cookies? When operating on the front e...

What are cookies in javascript...

Since HTTP is a stateless protocol, the server has no way of knowing the identity of the client from...

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AJAX is a technology for creating fast, dynamic web pages. AJAX enables web pages to update asynchro...

Summary of several common obje...

1.工厂方式 var Circle = function() { var obj = new Object(); obj.PI = 3.14159; obj.area = ...

Detailed explanation of Javasc...

Create a constructor, that is, initialize the new object generated when instantiating it, such as th...

Detailed explanation of JavaSc...

Each function can become a constructor, each function has a prototype object, and each prototype obj...

Detailed explanation of how Ja...

JavaScript object-oriented knowledge is very extensive, and it takes some time to understand it in d...