10 examples of 'js number to binary' in JavaScript

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21function binaryToByte(bin) {
22 return parseInt(bin, 2);
23}
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103function binaryToDecimal(data) {
104 var ret = "";
105 while (data !== "0") {
106 var end = 0;
107 var fullName = "";
108 var i = 0;
109 for (; i < data.length; i++) {
110 end = 2 * end + parseInt(data[i], 10);
111 if (end >= 10) {
112 fullName += "1";
113 end -= 10;
114 } else {
115 fullName += "0";
116 }
117 }
118 ret = end.toString() + ret;
119 data = fullName.slice(fullName.indexOf("1"));
120 }
121 return ret;
122}
260function convertToBinaryString(decimal_value, digits) {
261 binary_value = Number(decimal_value).toString(2);
262 padded_string = "0".repeat(digits)
263 return padded_string.substr(binary_value.length) + binary_value
264};
61static decToBinary(dec) {
62 return (dec >>> 0).toString(2);
63 }
62unsignedNumberFromBinary(data) {
63 //little adian
64 let val = data[data.length - 1];
65 for (let i = data.length - 2; i >= 0; i--) {
66 val = val * 256 + data[i];
67 }
68 return val;
69}
3export function encodeNumberAsJSNumber(s: number | string, isWrapped: boolean = false): string {
4 return bignum(s, "number", isWrapped);
5}
102function bin(value) {
103 return typeof value === 'string' ? parseInt(value, 2) : value;
104}
54function fromValueToBinary(value, convertFrom) {
55 var data;
56 if (data = bytes[convertFrom]) {
57 data.type[0] = value;
58 return byte.slice(0, data.size)
59 } else {
60 throw new Error("Invalid convert string")
61 }
62}
24function binary(value, padding) {
25 const bignum = new BigNum(value, 10).toString(2);
26 return padding !== false && bignum.length < 64
27 ? CACHE_64_BIT_ZEROS.substr(0, 64 - bignum.length) + bignum
28 : bignum;
29}
23function dec2bin(input, places) {
24
25 // exit if input is an error
26 if (input instanceof Error) {
27 return number;
28 }
29
30 // cast input to number
31 var number = parseInt(input);
32
33 if (!/^-?[0-9]{1,3}$/.test(number) || (0, _isnan2.default)(number)) {
34 return _error2.default.value;
35 }
36
37 // Return error.if number is not decimal, is lower than -512, or is greater than 511
38 if (number < -512 || number > 511) {
39 return _error2.default.num;
40 }
41
42 // Ignore places and return a 10-character binary number if number is negative
43 if (number < 0) {
44 return '1' + (0, _rept2.default)('0', 9 - (512 + number).toString(2).length) + (512 + number).toString(2);
45 }
46
47 // Convert decimal number to binary
48 var result = parseInt(number, 10).toString(2);
49
50 // Return binary number using the minimum number of characters necessary if places is undefined
51 if (typeof places === 'undefined') {
52 return result;
53 } else {
54 // Return error.if places is nonnumeric
55 if (!/^-?[0-9]{1,3}$/.test(places) || (0, _isnan2.default)(places)) {
56 return _error2.default.value;
57 }
58
59 // Return error.if places is negative
60 if (places < 0) {
61 return _error2.default.num;
62 }
63
64 // Truncate places in case it is not an integer
65 places = Math.floor(places);
66
67 // Pad return value with leading 0s (zeros) if necessary (using Underscore.string)
68 return places >= result.length ? (0, _rept2.default)('0', places - result.length) + result : _error2.default.num;
69 }
70} // Copyright 2015 JC Fisher

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