1) filter function
var arr = [123,456,789,45,312,456,789,13213];
var result = arr.filter(function(item){
//console.log(itm) 打印每一个数组元素
return item>300;
})
console.log(result) //打印 [ 456, 789, 312, 456, 789, 13213 ]
1) filter function
var arr = [123,456,789,45,312,456,789,13213];
var result = arr.filter(function(item){
//console.log(itm) 打印每一个数组元素
return item>300;
})
console.log(result) //打印 [ 456, 789, 312, 456, 789, 13213 ]