10 examples of 'arraybuffer to string' in JavaScript

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7function arrayBufferToString(arrayBuffer) {
8 const byteArray = new Uint8Array(arrayBuffer);
9 const strArr = [];
10 for (let i = 0; i < byteArray.length; ++i) {
11 strArr[i] = String.fromCharCode(byteArray[i]);
12 }
13 return strArr.join('');
14}
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182function arrayBufferToString(arrayBuffer) {
183 var byteArray = new Uint8Array(arrayBuffer);
184 var byteString = '';
185 for (var i = 0; i < byteArray.byteLength; i++) {
186 byteString += String.fromCharCode(byteArray[i]);
187 }
188 return byteString;
189}
3function ArrayBuffer2string (ar) {
4 var i, res, ar8;
5
6 ar8 = new Uint8Array(ar);
7 res = '';
8
9 for (i = 0; i < ar8.length; i++) {
10 res += String.fromCharCode(ar8[i]);
11 }
12
13 return res;
14}
25function base64ArrayBuffer(arrayBuffer) {
26 var base64 = ''
27 var encodings = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
28
29 var bytes = new Uint8Array(arrayBuffer)
30 var byteLength = bytes.byteLength
31 var byteRemainder = byteLength % 3
32 var mainLength = byteLength - byteRemainder
33
34 var a, b, c, d
35 var chunk
36
37 for (var i = 0; i < mainLength; i = i + 3) {
38 chunk = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2]
39
40 a = (chunk & 16515072) >> 18
41 b = (chunk & 258048) >> 12
42 c = (chunk & 4032) >> 6
43 d = chunk & 63
44
45 base64 += encodings[a] + encodings[b] + encodings[c] + encodings[d]
46 }
47
48 if (byteRemainder == 1) {
49 chunk = bytes[mainLength]
50
51 a = (chunk & 252) >> 2 // 252 = (2^6 - 1) << 2
52 b = (chunk & 3) << 4 // 3 = 2^2 - 1
53 base64 += encodings[a] + encodings[b] + '=='
54 } else if (byteRemainder == 2) {
55 chunk = (bytes[mainLength] << 8) | bytes[mainLength + 1]
56
57 a = (chunk & 64512) >> 10
58 b = (chunk & 1008) >> 4
59 c = (chunk & 15) << 2
60 base64 += encodings[a] + encodings[b] + encodings[c] + '='
61 }
62
63 return base64
64}
75function typedArrayToString(buffer) {
76 var string = '';
77 for (var i = 0; i < buffer.length; i+= 100)
78 string += String.fromCharCode.apply(undefined, buffer.subarray(i, i + 100));
79 return string;
80}
52static arrayBufferToString(arrayBuffer) {
53 if (typeof TextDecoder !== 'undefined') {
54 let textDecoder = new TextDecoder();
55 return textDecoder.decode(arrayBuffer);
56 } else {
57 let bytes = new Uint8Array(arrayBuffer);
58 let result = "";
59 let length = bytes.length;
60 for (let i = 0; i < length; i++) {
61 result += String.fromCharCode(bytes[i]);
62 }
63 return result;
64 }
65}
2function arrayBufferToBase64(buffer) {
3 return buffer.toString('binary');
4}
72export function buffer2string(buffer) {
73 const array = new window.Uint8Array(buffer);
74 const sliceSize = 8192;
75 const slices = [];
76 for (let i = 0; i < array.length; i += sliceSize) {
77 slices.push(String.fromCharCode.apply(null, array.subarray(i, i + sliceSize)));
78 }
79 return slices.join('');
80}
7function stringToArrayBuffer(str) {
8 var buf = new ArrayBuffer(str.length * 2);
9 var view = new Uint16Array(buf);
10 for (var i = 0, c = str.length; i < c; i++)
11 {
12 view[i] = str.charCodeAt(i);
13 }
14 return buf;
15}
67var arrayBufferToString = function arrayBufferToStringArray(buf) {
68 return String.fromCharCode.apply(String, arrayBufferToNumberArray(buf))
69 .replace('\0', '\u2400');
70};

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