Js中filter的使用
var ages = [1,2,3,4,5];
ages.filter(function(i){
return i > 2
});
输出:[3,4,5]
var ages = [1,2,3,4,5];
ages.filter(item=>{
return item > 2;
})
var ages = [1,2,3,4,5];
ages.filter(function(i){
return i > 2
});
输出:[3,4,5]
var ages = [1,2,3,4,5];
ages.filter(item=>{
return item > 2;
})