大家好,又见面了,我是你们的朋友全栈君。
方法一:
var a1 = ['aa',12,13];
var a2 = [21,22,23];
var newA = a1.concat(a2)
方法二:
var a1 = ['aa',12,13];
var a2 = [21,22,23];
var newA = a1.join()+','+a2.join();
方法三:
var a1 = ['aa',12,13];
var a2 = [21,22,23];
for(var i = 0; i < a2.length;i++){
a1.push(a2[i])
}
方法四(es6语法):
let a1 = ['aa',12,13];
let a2 = [21,22,23];
let newA =[...a1,...a2]
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