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Difference between decodeURI () and decodeURIComponent () in JS, decodeuricomponent

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Difference between decodeURI () and decodeURIComponent () in JS, decodeuricomponent
Abstract:This article introduces two decoding functions: decodeURI () and decodeURIComponent (). These two functions can decrypt the cryptographic strings generated by a specific function, it can generate undecrypted strings, which is more practical. below

This article introduces two decoding functions: decodeURI () and decodeURIComponent (). These two functions can decrypt the cryptographic strings generated by a specific function, you can generate undecrypted strings, which are more practical. Let's take a look at the usage and examples of these two functions, and you will use them:

DecodeURI () Definition and usage: The decodeURI () function can decode the URI encoded by the encodeURI () function.

Syntax: decodeURI (URIstring)

Parameter description: Required for URIstring. A string containing the URI or other text to be decoded.

Returned value: a copy of URIstring. The hexadecimal escape sequence is replaced by the characters they represent.

 

DecodeURIComponent () Definition and usage: The decodeURIComponent () function can decode the URI encoded by the encodeURIComponent () function.

Syntax: decodeURIComponent (URIstring)

Parameter description: Required for URIstring. A string containing the URI component or other text to be decoded.

Returned value: a copy of URIstring. The hexadecimal escape sequence is replaced by the characters they represent.

Instance:

[Html]View plaincopy
  1. <Html>
  2. <Body>
  4. <Script type = "text/javascript">
  6. Var test1 = "http://www.wljcz.com/My first /";
  7. Var nn = encodeURI (test1 );
  8. Var now = decodeURI (test1 );
  9. Document. write (nn + "<br/> ");
  10. Document. write (now );
  12. Var test1 = "http://www.wljcz.com/My first /";
  13. Var bb = encodeURIComponent (test1 );
  14. Var nnow = decodeURIComponent (bb );
  15. Document. write (bb + "<br/> ");
  16. Document. write (nnow );
  18. </Script>
  20. </Body>
  21. </Html>


The running result is:

Http://www.wljcz.com/My%20first/
Http://www.wljcz.com/My first/

Http % 3A % 2F % 2Fwww.wljcz.com % 2FMy % 20 first % 2F
Http://www.wljcz.com/My first/

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Related Keywords:
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