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Var originalString = "Love the way you lie" ĭocument.getElementById("os").innerHTML = "Original String: " + originalString ĭocument.getElementById("es").innerHTML = "Encoded String: " + encodedString ĭocument.getElementById("ds").innerHTML = "Decoded String: " + decodedString ĭocument.getElementById("os-uri").innerHTML = "Original URL: " + originalURL ĭocument.getElementById("es-uri").innerHTML = "Encoded URL: " + encodedURL ĭocument.getElementById("ds-uri"). An URIError will be thrown if one attempts to encode a surrogate which is not part of a high-low pair, e.g., console.log(encodeURI('\uD800\uDFFF')) console.log(encodeURI('\uD800')) console.log(encodeURI('\uDFFF')) Copy to Clipboard. Let’s see the complete example that you can directly run in your web browser. Var decodedURL = codeURI(encodedURL) Īlternatively, we can also use the encodeURIComponent( uriToEncode) and decodeURIComponent( encodedURI) function to encode and decode the URI respectively. URIError exception when encodedURI contains invalid character sequences. Syntax var decodedURL = codeURI(encodedURL) ĮndcodedURL– Encoded URI string generated by endcodedURI() function.Ī new string representing the unencoded version of the given encoded Uniform Resource Identifier ( URI). Var encodedURL = window.encodeURI(originalURL) Syntax var encodedURL = window.encodeURI(uriToEncode) Ī new string representing the provided string encoded as a URI. Var decodedString = window.atob(encodedString) Syntax var decodedString = window.atob(encodedString) ĮncodedString– Encoded string generated by btoa().ĭOMException if encodedString is not valid Base64.Įxample var encodedString = "TG92ZSB0aGUgd2F5IHlvdSBsaWU=" Var encodedString = window.btoa(originalString) InvalidCharacterError– The string contained a character that did not fit in a single byte.Įxample var originalString = "Love the way you lie" StringToEncode– The binary string to encode. Syntax var encodedString = window.btoa(stringToEncode) You can alternatively use the encodeURI() method, which does not encode characters that have special meaning (reserved characters) for a URI e.g. decodeURI(): It decodes a Uniform Resource Identifier ( URI) previously created by encodeURI() or by a similar routine.Īlternatively, we can also use the encodeURIComponent( uriToEncode) and decodeURIComponent( encodedURI) function to encode and decode the URI respectively.encodeURI(): This encodeURI() function is used to encode a URI.

btoa(): This function uses the A-Za-z0-9+/= characters to encode the string in Base64.In JavaScript, these are the functions respectively for encoding and decoding Base64 strings and URL. In this short article, we’ll explore JavaScript encoding decoding capabilities. JavaScript Base64 and URL Encoding Decoding Example