javascript 去除一个数组中与另一个数组中的值相同的元素

let a = [1,2,3,4,5,6,6,'a','b'];let b = [2,3,4];let c = [];for(let i of a){if(b.indexOf(i) === -1){c.push(i)}}console.log(c)运行结果：VM94:9 (6) [1, 5, 6, 6, "a", "b"]let a = [1,2,3,4,5,6,6...

＊且听风吟

3065人浏览 · 2019-11-27 19:42:14

＊且听风吟 · 2019-11-27 19:42:14 发布

方法一：

let a = [1,2,3,4,5,6,6,'a','b'];
let b = [2,3,4];
let c = [];
for(let i of a){
	if(b.indexOf(i) === -1){
		c.push(i)
	}
}
console.log(c)
运行结果：
VM94:9 (6) [1, 5, 6, 6, "a", "b"]

方法二：

let a = [1,2,3,4,5,6,6,'a','b'];
let b = [2,3,4];
for(let i=0;i<b.length;i++){
    for(let j=0;j<a.length;j++){
        if(a[j]==b[i]){
            a.splice(j,1);
            j--;
        }
    }
}
console.log(a)
运行结果：
VM296:11 (6) [1, 5, 6, 6, "a", "b"]