const encoded = window.btoa(‘Alireza Dezfoolian’); // encode a string<br /> const decoded = window.atob(encoded); // decode the string<br />

var string = “Hello folks how are you doing today?”;<br /> var encodedString = btoa(string); // Base64 encode the String<br /> var decodedString = atob(encodedString); // Base64 decode the String<br />

let str=”bmltZXNoZGV1amEuY29t”;<br /> let buff = new Buffer(str, ‘base64’);<br /> let base64ToStringNew = buff.toString(‘utf8’);

const data=”CodezUp”;<br /> console.log(‘—ORIGINAL—–‘, data)</p> <p>// Encode String</p> <p>const encode = Buffer.from(data).toString(‘base64’)<br /> console.log(‘\n—ENCODED—–‘, encode)</p> <p>// Decode String</p> <p>const decode = Buffer.from(encode, ‘base64’).toString(‘utf-8’)<br /> console.log(‘\n—DECODED—–‘, decode)

const base64Encode = (string) => {<br /> const newText = btoa(string);<br /> return newText;<br /> };

str = “The quick brown fox jumps over the lazy dog”;<br /> b64 = btoa(unescape(encodeURIComponent(str)));<br /> str = decodeURIComponent(escape(window.atob(b64)));

function toBinary(string) {<br /> const codeUnits = new Uint16Array(string.length);<br /> for (let i = 0; i < codeUnits.length; i++) {<br /> codeUnits[i] = string.charCodeAt(i);<br /> }<br /> return String.fromCharCode(…new Uint8Array(codeUnits.buffer));<br /> }</p> <p>function fromBinary(binary) {<br /> const bytes = new Uint8Array(binary.length);<br /> for (let i = 0; i < bytes.length; i++) {<br /> bytes[i] = binary.charCodeAt(i);<br /> }<br /> return String.fromCharCode(…new Uint16Array(bytes.buffer));<br /> }</p> <p>const myString = “☸☹☺☻☼☾☿”<br /> // console.log(btoa(myString)) // Error InvalidCharacterError: The string to be encoded contains characters outside of the Latin1 range.<br /> const converted = toBinary(myString)<br /> const encoded = btoa(converted)<br /> console.log(encoded)</p> <p>const decoded = atob(encoded)<br /> const original = fromBinary(decoded)<br /> console.log(original);

var b64 = btoa(unescape(encodeURIComponent(txt)));

const encode = bitstr => {<br /> const bytes = [];<br /> // convert bit string to BigInt<br /> let value = BigInt(‘0b’ + bitstr);<br /> // chop it up into bytes<br /> while (value > 0n) {<br /> bytes.unshift(Number(value & 0xffn));<br /> value >>= 8n;<br /> }<br /> // convert to binary string and encode as base64<br /> return btoa(String.fromCharCode.apply(null, bytes));<br /> };</p> <p>const decode = b64 => {<br /> // decode base64 to binary string<br /> const bstr = atob(b64);<br /> // convert binary string to bit string<br /> return new Array(bstr.length).fill(0).map(<br /> (_,i) => bstr.charCodeAt(i).toString(2).padStart(8, i ? ‘0’ : ”)<br /> ).join(”);<br /> };</p> <p>const bitstr=”100110110101000110100011011001100010110100011011001100100110100011000001100000110000011000001100001001010100111110000011001111100101010011111010011100010110001001001001100000110100111010010100111110000111001000100000110001001000101100111110011001001001101011010001011001001101001010000011000100100100110000011010011″;<br /> const encoded = encode(bitstr);<br /> const decoded = decode(encoded);</p> <p>console.log(bitstr);<br /> console.log(encoded);<br /> console.log(decoded);<br /> Run code snippetHide results

const encode = (value) =>Buffer.from(value, ‘binary’).toString(‘base64’)</p> <p>// Please register your like