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ClassContent/历届学生/font-end-nine/项目练习/学生项目/冯文焌/6ajax/菜谱/utils.js
2024-09-27 02:06:13 +08:00

38 lines
912 B
JavaScript

class Util {
inject() {
Element.prototype.remove = function (removeClassName) {
this.classList.remove(removeClassName);
}
Element.prototype.add = function (addClassName) {
this.classList.add(addClassName);
}
HTMLElement.prototype.text = function (text) {
this.innerText = text;
}
}
query(name) {
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
var r = window.location.search.substr(1).match(reg);
if (r != null) return unescape(r[2]); return null;
}
click(className, callback) {
$(className).onclick = (e) => {
callback(e)
}
}
$(className) {
return document.querySelector(className)
}
_(className) {
return document.querySelectorAll(className)
}
}
var { $, _, click, inject, query } = new Util()
inject()