js_Array类型_includes方法

目录

• includes方法用来判断一个数组是否包含一个指定的值，如果是返回true，否则返回false

        let side=['runoob','google','taobao'];
        var result1=side.includes('runoob');
        var result2=side.includes('baidu');
        console.log(result1);//true
        console.log(result2);//false