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

19
function computeLength (array) {
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  var length = 1 // the header
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  var multi = 1
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  if (array[0] && typeof array[0] === 'string') {
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    multi += array[0].length
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  }
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  length += array.length * multi
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  return length
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}

8
function arrayLength(array: int[]) {
9
    "use speedyjs";
10
11
    return array.length;
12
}

135
function getLength(object) {
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  return object.length;
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}

75
getObjectLength(object) {
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    return Object.keys(object).length;
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}

62
function getObjectLength(obj) {
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    var i = 0;
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    for (var attr in obj) {
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        i++;
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    }
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    return i;
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}

160
function _lengthOf(ids){
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  var l = 0;
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  if ($.isArray(ids))
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    l = ids.length;
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  else if (!$.isEmptyObject(ids))
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    l = 1;
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  return l;
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}

3
function getLength(arr) {
4
    return arr == null ? 0 : arr.length;
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}

18
function lengthOfObj(obj) {
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	return Object.keys(obj).length;
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}

95
function getLength(data?: DataFrameDTO | DataFrame) {
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  if (!data || !data.fields || !data.fields.length) {
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    return 0;
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  }
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  if (data.hasOwnProperty('length')) {
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    return (data as DataFrame).length;
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  }
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  return data.fields[0].values.length;
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}

585
arrayLength()
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{
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    if (this._subtype !== "array")
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        return 0;
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    var matches = this._description.match(/\[([0-9]+)\]/);
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    if (!matches)
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        return 0;
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    return parseInt(matches[1], 10);
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}