js删除dom元素的子元素
When you have a DOM element reference you can remove a class using theremove
method:
当您具有DOM元素引用时,可以使用remove
方法删除一个类:
element.classList.remove(myclass)
You can add a new class to it by using theadd
method:
您可以使用add
方法向其添加新类:
element.classList.add(myclass)
Implementation detail:classList
is not an array, but rather it is a collection of type DOMTokenList.
实现细节:classList
不是数组,而是DOMTokenList类型的