splice插入
var i=[1,2,3,4,5] var d=i.splice(2,0,9,6); console.log(i);
输出结果:1,2,9,6,3,4,5
splice替换
var i=[1,2,3,4,5] var d=i.splice(2,0,9,6); console.log(i);
输出结果:1,2,9,6,5
splice删除
var i=[1,2,3,4,5] var d=i.splice(2,2); console.log(i);
输出结果:1,2,4,5