How to Use JS to encode strings

How to Use JS to encode strings

In the client, to encode strings, you can use: escape (); encodeurl (); encodeURIComponent (); The following describes these methods.

Function Description

EncodeURI () encodes the string into URI

EncodeURIComponent () encodes a string into a URI component.

Escape () encode the string

The above is a query of information from w3school. So what is the difference between the three? let me test it.

The Code is as follows:

Var str = "http: // localhost: 8080/Product/index? Id = 123 & attr = 456 & area = China ";

Console. log (encodeURI (str ));

Console. log (encodeURIComponent (str ));

Console. log (escape (str ));

The output is as follows:

The Code is as follows:

Http: // localhost: 8080/Product/index? Id = 123 & attr = 456 & area = % E4 % B8 % AD % E5 % 9B % BD

Http % 3A % 2F % 2 Flocalhost % 3A8080% 2 FProduct % 2 Findex % 3Fid % 3D123% 26 attr % 3D456% 26 area % 3D % E4 % B8

% AD % E5 % 9B % BD

Http % 3A // localhost % 3A8080/Product/index % 3Fid % 3D123% 26 attr % 3D456% 26 area % 3D % u4E2D % u56FD

As you can see,

EncodeURI will not :/? & Encode the characters that are separated by Uris;

EncodeURIComponent.

Observe escape and find ,:? & All are transcoded, And/No. w3school explains that the escape function performs operations on the letters, numbers, and symbols (* @-_ +) in the ascii code..

In addition, we can see that the escape encoding results for Chinese characters "China" are different from those of the previous two. We recommend that you do not use this method for W3SCHOOL, instead of the first two.

The above is all the content of this article. I hope it will be helpful for you to learn javascript.