函数:
function splitArray(arr,size) {
let result = [];
while (arr.length > 0) {
let currentChunk = arr.splice(0, size);
result.push(currentChunk);
}
return result;
}
注意:重点是要理解数组的splice方法会改变原数组
算法思路:当原数组长度大于0时,原数组不断切割长度size,知道原数组长度小于等于0
事例:
<script>
let arr=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61]
console.log(splitArray(arr,30));
function splitArray(arr,size) {
let result = [];
while (arr.length > 0) {
let currentChunk = arr.splice(0, size);
result.push(currentChunk);
}
return result;
}
</script>
输出: