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方法一：
var result = [];
var data = [
{name:'chen',age:'25'},
{name:'chen',age:'25'},
{name:'chen',age:'25'},
{name:'chen',age:'25'},
{name:'chen',age:'25'},
{name:'chen',age:'25'},
{name:'chen',age:'25'},
{name:'chen',age:'25'},
{name:'chen',age:'25'},
{name:'chen',age:'25'},
]
for(var i=0;i<data.length;i+=3){
result.push(data.slice(i,i+3));
}
//[
//[{name:'chen',age:'25'},{name:'chen',age:'25'},{name:'chen',age:'25'}],
//[{name:'chen',age:'25'},{name:'chen',age:'25'},{name:'chen',age:'25'}],
//[{name:'chen',age:'25'},{name:'chen',age:'25'},{name:'chen',age:'25'}],
//[{name:'chen',age:'25'}],
//]
方法二：
var spArray = function(n,arr){
var newArr = [],i;
for (i = 0;i < arr.length;) {
arr1.push(arr.slice(i,i += n))
}
return newArr
}
var arr = [1,2,3,4,5,6,7,8,9,10,11,12,13,14];
console.log(spArray(5,arr))//[[1,2,3,4,5],[6,7,8,9,10],[11,12,13,14]]
