10 examples of 'js number to binary' in JavaScript

21
function binaryToByte(bin) {
22
    return parseInt(bin, 2);
23
}

103
function 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";
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        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
}

260
function 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
};

61
static decToBinary(dec) {
62
    	return (dec >>> 0).toString(2);
63
	}

62
unsignedNumberFromBinary(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
}

3
export function encodeNumberAsJSNumber(s: number | string, isWrapped: boolean = false): string {
4
  return bignum(s, "number", isWrapped);
5
}

102
function bin(value) {
103
    return typeof value === 'string' ? parseInt(value, 2) : value;
104
}

54
function 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
}

24
function 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
}

23
function 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