Files
ClassContent/历届学生/font-end-nine/项目练习/上课项目/js案例/水管鸟游戏/js/utils.js
2024-09-27 02:06:13 +08:00

29 lines
593 B
JavaScript

class Util {
inject() {
Element.prototype.remove = function (removeClassName) {
this.classList.remove(removeClassName);
}
Element.prototype.add = function (addClassName) {
this.classList.add(addClassName);
}
}
click(className,callback) {
$(className).onclick = () => {
callback()
}
}
$(className) {
return document.querySelector(className)
}
_(className) {
return document.querySelectorAll(className)
}
}
var { $, _, click, inject } = new Util()
inject()