10 examples of 'how to find length of string in javascript' in JavaScript

11
function stringLength(str){
12
  return str
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    .replace(ansiRegex, '')
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    .replace(reAstral, ' ')
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    .length;
16
}

6
function strLength(str: string) {
7
    return str.replace(spRegexp, '_').length;
8
}

585
function calculateLength (str) {
586
  var ch = []
587
  var st = []
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  var re = []
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  for (var i = 0; i < str.length; i++) {
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    ch = str.charCodeAt(i)
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    st = []
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    do {
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      st.push(ch & 0xFF)
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      ch = ch >> 8
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    } while (ch)
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    re = re.concat(st.reverse())
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  }
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  // return an array of bytes.
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  return re.length
600
}

1
function strlen(str) {
2
  return str.replace(/\u001b[^m]*m/g, '').length
3
}

483
export function utf8Length(str: string): number {
484
	let bytes = 0;
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	let length = str.length;
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	for(let ix = 0; ix < length; ix++) {
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		let c = str.charCodeAt(ix);
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		if(c < 0x80)
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			bytes++;
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		else if(c < 0x800)
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			bytes += 2;
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		else
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			bytes += 3;
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	}
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	return bytes;
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}

61
function byteLength(str) {
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  if (!str) {
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    return 0;
64
  }
65
  var matched = str.match(/[^\x00-\xff]/g);
66
  return (str.length + (!matched ? 0 : matched.length));
67
}

408
function utf8Length(str) {
409
    var bytes = 0;
410
    var length = str.length;
411
    for (var ix = 0; ix < length; ix++) {
412
        var c = str.charCodeAt(ix);
413
        if (c < 0x80)
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            bytes++;
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        else if (c < 0x800)
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            bytes += 2;
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        else
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            bytes += 3;
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    }
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    return bytes;
421
}

30
function lengthInUtf8Bytes (str) {
31
  // Matches only the 10.. bytes that are non-initial characters in a multi-byte sequence.
32
  const m = encodeURIComponent(str).match(/%[89ABab]/g)
33
  return str.length + (m ? m.length : 0)
34
}

105
function strlen(str) {
106
  // Call the native functions if there's no surrogate char
107
  if (!hasSurrogateUnit(str)) {
108
    return str.length;
109
  }
110
111
  let len = 0;
112
  for (let pos = 0; pos < str.length; pos += getUTF16Length(str, pos)) {
113
    len++;
114
  }
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  return len;
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}

3
export function get_text_length(text) {
4
  const trimmed_text = text.trim();
5
  const condensed_text = trimmed_text.replace(/\s\s+/g, ' ');
6
  return condensed_text.length;
7
}