![]() ![]() These functions will return the decoded format of the encoded URL. The decodeURI only decodes the URI part, whereas this method decodes the URL, including the domain name.Įncoded_URI URI − It takes input for the encoded URL created by the encodeURI() function.Įncoded_URL URL − It takes input for the encoded URL created by the encodeURIComponent() function. The decoding of a URL can be done using the following methods −ĭecodeURI() function − The decodeURI() function is used to decode the URI, i.e., converting the special characters back to the original URI language.ĭecodeURIComponent() function − This function decodes the complete URL back to its original form. In the below example, we encode a URL using encodeURI() and encodeURIComponent() methods.ĭocument.write('Encoded URL: ' + encodedURI)Ĭonst encodedURLComponent=encodeURIComponent(url) ĭocument.write('Encoded URL Component: ' + encodedURLComponent) The above functions return the encoded URL. The component encodes the domain name also.ĮncodeURIComponent(complete_url_string ) ParameterĬomplete_uri_string string − It holds the URL to be encoded.Ĭomplete_url_string string − It holds the complete URL string to be encoded. Some of the characters that are not encoded are: (, / ? : & = + $ #).ĮncodeURIComponent() function − This function encodes the whole URL instead of just the URI. The conversion of the special characters can be done by using the following method from JavaScript −ĮncodeURI() function − The encodeURI() function is used for encoding the complete URI, i.e., converting the special characters from the URI into browser understandable language. Many browsers automatically encode and decode the URL and the response string.Į.g., A space " " is encoded as a + or %20. The query params must also be encoded in the URL string, where the server will decode this. It is a usual task in web development, and this is generally done while making a GET request to the API with the query params. Interested in more tutorials and JSBytes from me? Sign up for my newsletter.Encoding and decoding the URI and the URI components is required by the URL of any website to reach or redirect the user. But if you have a part of a URL, use encodeURIComponent. If you have a complete URL, use encodeURI. Let params = encodeURIComponent('mango & pineapple') When accepting query parameters that may have reserved characters. When building a URL from query string parameters. When accepting an input that may have spaces. Examples const url = ''Ĭonsole.log(encodeURIComponent(url)) //https%3A%2F%2Fconst paramComponent = '?q=search'Ĭonsole.log(encodeURIComponent(paramComponent)) //"%3Fq%3Dsearch"Ĭonsole.log(url + encodeURIComponent(paramComponent)) // Here's a handy table of the difference in encoding of characters Which characters are encoded?ĮncodeURI() will not encode: will not encode: ~!*()' What is the difference between encodeURI and encodeURIComponent?ĮncodeURI and encodeURIComponent are used to encode Uniform Resource Identifiers (URIs) by replacing certain characters by one, two, three or four escape sequences representing the UTF-8 encoding of the character.ĮncodeURIComponent should be used to encode a URI Component - a string that is supposed to be part of a URL.ĮncodeURI should be used to encode a URI or an existing URL.
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