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怎样实现当我一直点着加号或者一直点着减号时 数字会一直增加或者一直减少
js代码如下
认证高级PHP讲师
点下时,开个定时器不停的加/减,抬起时,取消定时器
可以用onmousedown这个事件 当鼠标点下时改变值
点下时,开个定时器不停的加/减,抬起时,取消定时器
可以用onmousedown这个事件 当鼠标点下时改变值