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哪里不要点哪里

将鼠标放置在不想要的网页内容上然后点击即可去掉，适用于想要将网页保存为pdf时但有不需要内容时的场景

// ==UserScript==
// @name         哪里不要点哪里
// @namespace    http://tampermonkey.net/
// @version      0.3.8
// @description  将鼠标放置在不想要的网页内容上然后点击即可去掉，适用于想要将网页保存为pdf时但有不需要内容时的场景
// @author       starrysky
// @match        https://*/*
// @match        http://*/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    window.onload = function(){
	var cssPath = function(el) {
		if(!(el instanceof Element)){
			return;
		}
		var path = [];
		while (el.nodeType === Node.ELEMENT_NODE) {
			var selector = el.nodeName.toLowerCase();
			if (el.id) {
				selector += '#' + el.id;
				path.unshift(selector);
				break;
			} else {
				var sib = el, nth = 1;
				while (sib = sib.previousElementSibling) {
					if(sib.nodeName.toLowerCase() == selector){
					nth++;
					}
				}
				if(nth != 1){
					selector += ":nth-of-type("+nth+")";
				}
			}
			path.unshift(selector);
			el = el.parentNode;
		}
		return path.join(" > ");
	}

	var allDom = document.querySelectorAll('*');
	NodeList.prototype.forEach = Array.prototype.forEach;
	if (localStorage.eleDellist == undefined){
		var eleDellist = []
	}else{
		var eleDellist =JSON.parse(localStorage.eleDellist)
	}
        try{
	    eleDellist.forEach((item)=>{
            if(document.querySelector(item)){
                document.querySelector(item).remove()
            }
	    })}catch(e){
        console.log('发现异常，请忽略！')}
        document.onkeydown=function(event){
		console.log(event)
		event=event || window.event;
		// 普通模式
		if ((event.keyCode==68 || event.key== 'd') && event.shiftKey){
			alert('脚本已开始运行,当前使用：普通模式！')
			allDom.forEach((item)=>{
				item.style.cursor = 'pointer'
			    if(item.nodeName== 'SCRIPT'){
					item.remove()
				}
				if(item.nodeName== 'BODY' || item.nodeName == 'HTML' ){
					item.style.backgroundColor = "rgba(78,110,242,0)"
				}else{
					item.onfocus = function(evt){
						let event = evt || window.event;
						let target = event.target || event.srcElement;
						target.remove()
					}
					item.onclick = function(evt){
						let event = evt || window.event;
						let target = event.target || event.srcElement;
						target.remove()
					}
					item.onmouseenter = function(){
						item.style.backgroundColor = "rgba(78,110,242,0.15)"
					}
					item.onmouseleave = function(){
						item.style.backgroundColor = "rgba(78,110,242,0)"
					}
				}
			})
		}
		// 存储模式
		if ((event.keyCode==83 || event.key== 's') && event.shiftKey){
			alert('脚本已开始运行,当前使用：存储模式！')
			allDom.forEach((item)=>{
				item.style.cursor = 'pointer'
			    if(item.nodeName== 'SCRIPT'){
					item.remove()
				}
				if(item.nodeName== 'BODY' || item.nodeName == 'HTML' ){
					item.style.backgroundColor = "rgba(78,110,242,0)"
				}else{
					item.onfocus = function(evt){
						let event = evt || window.event;
						let target = event.target || event.srcElement;
						eleDellist.push(cssPath(target))
						localStorage.eleDellist=JSON.stringify(eleDellist);
						target.remove()
					}
					item.onclick = function(evt){
						let event = evt || window.event;
						let target = event.target || event.srcElement;
						eleDellist.push(cssPath(target))
						localStorage.eleDellist=JSON.stringify(eleDellist);
						target.remove()
					}
					item.onmouseenter = function(){
						item.style.backgroundColor = "rgba(78,110,242,0.15)"
					}
					item.onmouseleave = function(){
						item.style.backgroundColor = "rgba(78,110,242,0)"
					}
				}
			})
		}
		if ((event.keyCode==67 || event.key== 'c') && event.shiftKey){
			localStorage.removeItem('eleDellist')
			alert('存储数据已清理！')
		}
	}
}
})();