10 examples of 'lodash loop through array' in JavaScript

159
async function loopAsync(arr, callback) {
160
	for (let i = 0; i < arr.length; i++) {
161
		arr[i] = await callback(arr[i]);
162
	}
163
	return await Promise.all(arr);
164
}

7
function parallel(array, fn) {
8
9
  var length = array.length;
10
  var results = new Array(length);
11
  var loaded = 0;
12
13
  function wrap(fn, index) {
14
    fn(function callback(err) {
15
      results[index] = arguments;
16
      loaded++;
17
      ready();
18
    });
19
  }
20
21
  function ready() {
22
    if (loaded >= length) {
23
      fn.apply(null, results);
24
    }
25
  }
26
27
  ready();
28
29
  fold(array, 0, wrap);
30
31
}

77
function iterate(index, array, result) {
78
  if (index >= array.length) {
79
    return result;
80
  } else return callback(array[index], index).then(function (res) {
81
    result.push(res);
82
    return iterate(index + 1, array, result);
83
  });
84
}

1
export default function forArray(arr, iteratee) {
2
  for (var i = 0; i < arr.length; i++) {
3
    if (iteratee(arr[i], i, arr) === false) break;
4
  }
5
  return arr;
6
}

22
function completeLoopAction(array, value, action, arrayProp){
23
    for (var j = 0; j < array.length; j++) {
24
        if(arrayProp){
25
            if (array[j][arrayProp] == value) {
26
                break;
27
            }
28
        } else {
29
            if (array[j] == value) {
30
                break;
31
            }
32
        }
33
    }
34
    if (j == array.length) {
35
        action();
36
    }
37
}

6
function parallel (arr, cb) {
7
  var results = []
8
    , complete = 0
9
    ;
10
  for (var i=0;i<arr.length;i++) {
11
    ;(function (i) {
12
      arr[i][0](function () {
13
        results[i] = Array.prototype.slice.call(arguments)
14
        complete += 1
15
        if (complete === arr.length) {
16
          for (var ii=0;ii<arr.length;ii++) {
17
            arr[ii][1].apply(arr[ii][1], results[ii])
18
          }
19
          cb()
20
        }
21
      })
22
    })(i)
23
  }
24
  if (arr.length === 0) cb()
25
}

117
var _loop3 = function _loop3(_j) {
118
  match = childTests.every(function (tt) {
119
    return test(children, _j, tt).match;
120
  });
121
122
  if (match) {
123
    res.j = _j; // all tests true, continue with next key of pattern t
124
125
    return "break";
126
  }
127
};

95
exports.loop = function loop(fn, start, end, by) {
96
  by = by || 1;
97
  for (var i = start; i <= end; i += by) fn(i);
98
};

389
function forEach (array, callback, thisObj)
390
 {
391
     for (var i=0; i<array.length; i++)
392
     {
393
         if (array.hasOwnProperty(i))
394
         {
395
             callback.call(thisObj, array[i], i, array);
396
         }
397
     }
398
}

422
function __loop__(iter, fn)
423
{
424
    var nodeCount = 0;
425
    for (var i = 0; i < iter.length; ++i)
426
    {
427
        iter[i][0] = i;
428
        iter[i][1] = nodeCount;
429
        nodeCount += fn.apply(this, iter[i]);
430
        //if (FBTrace.DBG_DOM) FBTrace.sysout("nodeCount", nodeCount);
431
    }
432
    return nodeCount;
433
}