轻量级原生js增强插件，将部分原生dom对象方法模仿jQuery进行二次封装，便于使用
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.gf.qytechs.cn/scripts/444044/1121535/js-domExtend.js
// ==UserScript==
// @name js-domExtend
// @namespace http://tampermonkey.net/
// @version 1.7.2
// @description 轻量级原生js增强插件，将部分原生dom对象方法模仿jQuery进行二次封装，便于使用
// @author tutu辣么可爱(greasyfork)/IcedWatermelonJuice(github)
// @day 2022.5.27 GMT+0800 (中国标准时间)
// @license MIT License
// @note 相关参考信息请前往greasyfork仓库或github仓库
// @note greasyfork仓库:
// @note github仓库:https://github.com/IcedWatermelonJuice/js-domExtend
// ==/UserScript==
function $ele(dom, dom2 = document) {
if (typeof dom === "object") {
return dom;
} else if (!dom || typeof dom !== "string") {
return document;
} else if (dom.trim()[0] === "<" && dom.indexof(">") > 0 && dom.trim().length >= 3) {
dom2 = document.createElement("div");
dom2.innerHTML = dom;
dom2 = dom2.childNodes;
} else {
dom2 = dom2.querySelectorAll(dom);
}
return dom2.length > 1 ? dom2 : dom2[0]
}
function $eleFn(dom, dom2 = document) {
return {
data: [dom, dom2],
listen: function(callback, interval = 500) {
if (typeof callback !== "function") {
return null
}
var that = this;
return setInterval(() => {
let target = $ele(that.data[0], that.data[1]);
if (target) {
callback(target);
}
}, interval)
},
ready: function(callback, timeout = 3000) {
var timer = this.listen((target) => {
clearInterval(timer);
callback(target);
})
setTimeout(() => {
clearInterval(timer);
}, timeout)
return timer
},
copy: function(str) {
var res = false;
if (typeof str === "string" && str.trim()) {
let text = $ele("body").insert(`<textarea style="opacity: 0"></textarea>`);
text.value = str;
text.select();
res = document.execCommand("copy");
text.remove();
}
return res;
},
ajax: function(options) {
options.method = options.method || "GET";
options.params = options.params || null;
options.timeout = options.timeout || 60 * 1000;
options.success = typeof options.success === "function" ? options.success : function() {};
options.error = typeof options.error === "function" ? options.error : function() {};
var xhr = new XMLHttpRequest();
xhr.open(options.method, options.url);
if (options.method.toLowerCase() !== 'get') { //判断请求方式
xhr.setRequestHeader('Content-Type', "application / x - www - form - urlencoded");
var str = "";
for (p in options.params) {
str += `${p}=${options.params[p]}&`;
}
options.params = str;
}
xhr.timeout = options.timeout;
xhr.ontimeout = () => {
options.error();
}
xhr.send(options.params);
xhr.onreadystatechange = () => {
if (xhr.readyState === 4) {
if (xhr.status >= 200 && xhr.status < 300) {
options.success(xhr.responseText);
} else {
options.error();
}
}
}
return xhr
}
}
}
function $domExtendJS() {
//Element
Element.prototype.attr = function(key, val) {
if (typeof key === "string") {
if (/string|boolean/.test(typeof val)) {
if (!val && val !== false) {
this.removeAttribute(key);
} else {
this.setAttribute(key, val);
}
return this;
} else {
return this.getAttribute(key);
}
}
}
Element.prototype.data = function(key, val) {
this.dataAttrsMap = this.dataAttrsMap ? this.dataAttrsMap : {};
for (let i = 0; i < this.attributes.length; i++) {
let attr = this.attributes[i];
if (/^data-/.test(attr.name)) {
this.dataAttrsMap[attr.name] = attr.value;
}
}
if (typeof key === "string") {
key = `data-${key}`;
if (/string|boolean/.test(typeof val)) {
if (!val && val !== false) {
delete this.dataAttrsMap[key];
this.attr(key, "");
} else {
this.dataAttrsMap[key] = val;
this.attr(key) !== null && this.attr(key, val);
}
return this;
} else {
return this.dataAttrsMap[key];
}
}
}
Element.prototype.css = function(key, val) {
if (typeof key === "string") {
if (/string|boolean/.test(typeof val)) {
this.style.setProperty(key, val);
} else if (!val) {
return getComputedStyle(this)[key];
}
} else {
for (let i in key) {
this.style.setProperty(i, key[i]);
}
}
if (this.style === "") {
this.attr("style", "")
}
return this;
}
Element.prototype.hide = function() {
this.data("displayBackup", this.css("display"));
this.css("display", "none")
return this;
}
Element.prototype.show = function() {
var backup = this.data("displayBackup") || "";
this.css("display", backup !== "none" ? backup : "");
return this;
}
Element.prototype.insert = function(dom, position = "end", reNew = false) {
dom = typeof dom === "string" ? $ele(dom) : dom;
dom = (Array.isArray(dom) || dom instanceof NodeList) ? dom : [dom];
switch (position) {
case "start":
Array.from(dom).reverse().forEach((e, i) => {
this.insertBefore(e, this.firstChild);
})
break;
case "end":
dom.forEach((e, i) => {
this.append(e);
})
break;
case "before":
Array.from(dom).reverse().forEach((e, i) => {
this.parentElement.insertBefore(e, this);
})
break;
case "after":
if (this.parentElement.lastChild === this) {
dom.forEach((e, i) => {
this.append(e);
})
} else {
let next = this.nextSilbing;
Array.from(dom).reverse().forEach((e, i) => {
this.parentElement.insertBefore(e, next);
})
}
break;
}
if (reNew) {
return dom.length > 1 ? dom : dom[0]
} else {
return this
}
}
Element.prototype.replace = function(dom) {
dom = this.insert(dom, "before", true);
this.remove();
return dom;
}
Element.prototype.findNode = function(nodeName) {
var nodeArray = [];
if (!this.firstChild) {
return null
}
this.childNodes.forEach((e, i) => {
if (new RegExp(`^${nodeName}$`, "i").test(e.nodeName)) {
nodeArray.push(e);
} else {
let temp = e.findNode(nodeName);
nodeArray = nodeArray.concat(Array.isArray(temp) ? temp : (temp ? [temp] : []));
}
})
return nodeArray.length > 1 ? nodeArray : nodeArray[0]
}
Element.prototype.eleText = function(val, remainDom = false) {
if (typeof val !== "string") {
return this.innerText
} else {
if (remainDom) {
var textNode = this.findNode("#text");
if (Array.isArray(textNode)) {
textNode.forEach((e, i) => {
if (val === "") {
e.nodeValue = "";
} else {
let textLength = i >= (textNode.length - 1) ? val.length : e.length;
e.nodeValue = val.slice(0, textLength);
val = val.slice(textLength);
}
})
}
} else {
this.innerText = val;
}
return this
}
}
Element.prototype.eleHTML = function(val) {
if (typeof val !== "string") {
return this.innerHTML
} else {
this.innerHTML = val;
return this
}
}
Element.prototype.eleVal = function(val) {
if (typeof val !== "string" && typeof val !== "boolean") {
return this.value
} else {
this.value = val;
return this
}
}
//NodeList
NodeList.prototype.attr = function(key, val) {
this.forEach((e, i) => {
e.attr(key, val)
})
return this
}
NodeList.prototype.data = function(key, val) {
this.forEach((e, i) => {
e.data(key, val)
})
return this
}
NodeList.prototype.css = function(key, val) {
this.forEach((e, i) => {
e.css(key, val)
})
return this
}
NodeList.prototype.hide = function() {
this.forEach((e, i) => {
e.hide();
})
return this
}
NodeList.prototype.show = function() {
this.forEach((e, i) => {
e.show();
})
return this
}
NodeList.prototype.findNode = function(nodeName) {
var nodeArray = []
this.forEach((e, i) => {
let temp = e.findNode(nodeName);
nodeArray = nodeArray.concat(Array.isArray(temp) ? temp : []);
})
return nodeArray[0] ? nodeArray : null
}
NodeList.prototype.eleText = function(val, remainDom = false) {
var res = "";
this.forEach((e, i) => {
let temp = e.eleText(val, remainDom)
res += typeof temp === "string" ? temp : "";
})
return typeof val === "string" ? this : res
}
NodeList.prototype.eleHTML = function(val) {
var res = "";
this.forEach((e, i) => {
let temp = e.eleHTML(val)
res += typeof temp === "string" ? temp : "";
})
return typeof val === "string" ? this : res
}
}