JavaScript 从阵列2中删除重复值

Posted 2021-05-20

Array.prototype.unique = function unique()
{
	var i = 0;
	while (i < this.length)
	{
		for (k = this.length; k > i; k--)
		{
			if (this[k] === this[i])
			{
				this.splice(k,1);
			}
		}
		i++;
	}
	return this;
}

var myarray = ['jeffrey', 'allie', 'patty', 'damon', 'zach', 'jeffrey', 'allie', 'patty', 'damon', 'zach', 'joe','joe','joe','adam'];
alert(myarray.unique().join(', '));