你可以使用Array.prototype.reduce函数在一行中完成这项工作。

让arr = [1,2,3,4]; 函数块(arr, size) ｛ 令result = arr。减少((行，键，索引)=>(索引%大小== 0 ?rows.push([主要]):行[rows.length-1] .push(关键))& &行,[]); 返回结果; ｝ console.log(块(arr), 2));

我稍微改变了BlazeMonger的使用jQuery对象..

var $list = $('li'),
    $listRows = [];


for (var i = 0, len = $list.length, chunk = 4, n = 0; i < len; i += chunk, n++) {
   $listRows[n] = $list.slice(i, i + chunk);
}

in coffeescript:

b = (a.splice(0, len) while a.length)

demo 
a = [1, 2, 3, 4, 5, 6, 7]

b = (a.splice(0, 2) while a.length)
[ [ 1, 2 ],
  [ 3, 4 ],
  [ 5, 6 ],
  [ 7 ] ]

你可以使用Array.prototype.reduce函数在一行中完成这项工作。

让arr = [1,2,3,4]; 函数块(arr, size) ｛ 令result = arr。减少((行，键，索引)=>(索引%大小== 0 ?rows.push([主要]):行[rows.length-1] .push(关键))& &行,[]); 返回结果; ｝ console.log(块(arr), 2));

这是我能想到的最有效、最直接的解决方案:

function chunk(array, chunkSize) {
    let chunkCount = Math.ceil(array.length / chunkSize);
    let chunks = new Array(chunkCount);
    for(let i = 0, j = 0, k = chunkSize; i < chunkCount; ++i) {
        chunks[i] = array.slice(j, k);
        j = k;
        k += chunkSize;
    }
    return chunks;
}

整洁干净，易于理解

 let nums = [1, 2, 3, 4, 5, 6, 7, 8, 9];
 let len = nums.length ;

    const chunkArr = (arr, chunkNo) => {
      let newArr = [];
      for(let i = 0; i < len; i++){
        if(nums[0] !== "" && nums[0] !== undefined ){
          let a = nums.splice(0,chunkNo) ; 
          newArr.push(a);
        }
      }
       return newArr ;
    }
    console.log(chunkArr(nums, 5));