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网页上元素这么多，你不想像堆积木一样拖着玩玩看吗，该脚本在页面加载一个悬浮窗，双击后可以任意拖拽、消除网页内的元素，包括广告等，不会影响网页的原本功能，拖到浏览器最左边可以删除元素,移到上方还原。
当前为
// ==UserScript==
// @name 随意拖拽DOM元素
// @namespace http://tampermonkey.net/
// @version 1.3
// @description 网页上元素这么多，你不想像堆积木一样拖着玩玩看吗，该脚本在页面加载一个悬浮窗，双击后可以任意拖拽、消除网页内的元素，包括广告等，不会影响网页的原本功能，拖到浏览器最左边可以删除元素,移到上方还原。
// @author readerror
// @include *
// @grant none
// @license MIT
// ==/UserScript==
(function(){
'use strict';
var deleteMode = 0;
if(self != top) return;//不要再iframe里再加载一次
var new_element_N=document.createElement("style");
new_element_N.innerHTML = '#dragerDom {' +
' position: fixed;' +
' width: 20px;' +
' height: 20px;' +
' background-color: rgba(0, 0, 127, 0.2);' +
' z-index: 10000000000;' +
' cursor: pointer;' +
' top: 0px;' +
' left: 0px;' +
' border-radius: 30%;' +
' padding: 6px;' +
' }' +
' ' +
' #dragerDom>div {' +
' border-radius: 50%;' +
' width: 100%;' +
' height: 100%;' +
' background-color: rgba(0, 0, 127, 0.3);' +
' transition: all 0.2s;' +
' -webkit-transition: all 0.2s;' +
' -moz-transition: all 0.2s;' +
' -o-transition: all 0.2s;' +
' }' +
' #dragerDom:hover>div{' +
' background-color: rgba(0, 0, 127, 0.6);' +
' } '+
'.showMessageDom {padding: 10px 20px;border-radius: 5px;position: fixed;top: 15%;left: 50%;color: #ffffff;z-index: 999;transform: translate(-50%, 0);}'+
'.showMessageSuccessDom {background-color: #f0f9eb;border: 1px solid #E1F3D8;color: #67c23a;}'+
'.showMessageErrorDom {background-color: #fef0f0;border: 1px solid #fde2e2;color: #F76C6C;}'+
'.chosenBorder{opacity:0.77; box-shadow: inset 0px 0px 0px 0.5px #ff0000; color:red; background-size: 21vw 4.2vw; background-color: rgb(247, 108, 108, 0.5); box-sizing: border-box; -moz-box-sizing: border-box;}';
document.body.appendChild(new_element_N);
new_element_N=document.createElement('div');
new_element_N.setAttribute("id","dragerDom");
new_element_N.style.top="80px";
new_element_N.style.left = (document.body.clientWidth-45)+"px";
new_element_N.innerHTML = ' <div></div>' ;
document.body.appendChild(new_element_N);
//
var posX;
var posY;
var screenWidth =document.documentElement.clientWidth;
var screenHeight = document.documentElement.clientHeight;
var fdiv = document.getElementById("dragerDom");
fdiv.onmousedown=function(e)
{
screenWidth =document.documentElement.clientWidth;
screenHeight = document.documentElement.clientHeight;
if(!e){ e = window.event; } //IE
posX = e.clientX - parseInt(fdiv.style.left);
posY = e.clientY - parseInt(fdiv.style.top);
document.onmousemove = mousemove;
}
function showMessage(message, type) {
let messageJQ= $("<div class='showMessageDom'>" + message + "</div>");
if (type == 0) {
messageJQ.addClass("showMessageErrorDom");
} else if (type == 1) {
messageJQ.addClass("showMessageSuccessDom");
}
// 先将原始隐藏，然后添加到页面，最后以400毫秒的速度下拉显示出来
messageJQ.hide().appendTo("body").slideDown(400);
// 4秒之后自动删除生成的元素
window.setTimeout(function() {
messageJQ.show().slideUp(400, function() {
messageJQ.remove();
})
}, 4000);
}
document.onmouseup = function()//释放时自动贴到最近位置
{
document.onmousemove = null;
if((parseInt(fdiv.style.top)+parseInt(fdiv.clientHeight)/2)<=(screenHeight/2)){//在上半部分
if((parseInt(fdiv.style.left)+parseInt(fdiv.clientWidth)/2)<=(screenWidth/2)){//在左半部分
if((parseInt(fdiv.style.top)+parseInt(fdiv.clientHeight)/2)<=(parseInt(fdiv.style.left)+parseInt(fdiv.clientWidth)/2)){//靠近上方
fdiv.style.top="0px";
}else{//靠近左边
fdiv.style.left="0px";
}
}else{//在右半部分
if((parseInt(fdiv.style.top)+parseInt(fdiv.clientHeight)/2)<=(screenWidth-(parseInt(fdiv.style.left)+parseInt(fdiv.clientWidth)/2)) ){//靠近上方
fdiv.style.top="0px";
}else{//靠近右边
fdiv.style.left=(screenWidth-parseInt(fdiv.clientWidth))+"px";
}
}
}else{ //下半部分
if((parseInt(fdiv.style.left)+parseInt(fdiv.clientWidth)/2)<=(screenWidth/2)){//在左半部分
if( (screenHeight-(parseInt(fdiv.style.top)+parseInt(fdiv.clientHeight)/2))<=(parseInt(fdiv.style.left)+parseInt(fdiv.clientWidth)/2)){//靠近下方
fdiv.style.top=(screenHeight-parseInt(fdiv.clientHeight))+"px";
}else{//靠近左边
fdiv.style.left="0px";
}
}else{//在右半部分
if( (screenHeight-(parseInt(fdiv.style.top)+parseInt(fdiv.clientHeight)/2))<=(screenWidth-(parseInt(fdiv.style.left)+parseInt(fdiv.clientWidth)/2)) ){//靠近上方
fdiv.style.top=(screenHeight-parseInt(fdiv.clientHeight))+"px";
}else{//靠近右边
fdiv.style.left=(screenWidth-parseInt(fdiv.clientWidth))+"px";
}
}
}
}
function mousemove(ev)
{
if(ev==null){ ev = window.event;}//IE
if((ev.clientY - posY)<=0){//超过顶部
fdiv.style.top="0px";
}else if((ev.clientY - posY) >(screenHeight-parseInt(fdiv.clientHeight))){//超过底部
fdiv.style.top=(screenHeight-parseInt(fdiv.clientHeight))+"px";
}else{
fdiv.style.top = (ev.clientY - posY) + "px";
}
if((ev.clientX- posX)<=0){//超过左边
fdiv.style.left="0px";
}else if((ev.clientX - posX) >(screenWidth-parseInt(fdiv.clientWidth))){//超过右边
fdiv.style.left=(screenWidth-parseInt(fdiv.clientWidth))+"px";
}else{
fdiv.style.left = (ev.clientX - posX) + "px";
}
// console.log( posX +" "+ fdiv.style.left);
}
window.onload = window.onresize = function() { //窗口大小改变事件
screenWidth =document.documentElement.clientWidth;
screenHeight = document.documentElement.clientHeight;
if( (parseInt(fdiv.style.top)+parseInt(fdiv.clientHeight))>screenHeight){//窗口改变适应超出的部分
fdiv.style.top=(screenHeight-parseInt(fdiv.clientHeight))+"px";
}
if( (parseInt(fdiv.style.left)+parseInt(fdiv.clientWidth))>screenWidth){//窗口改变适应超出的部分
fdiv.style.left=(screenWidth-parseInt(fdiv.clientWidth))+"px";
}
document.onmouseup.apply()
};
fdiv.addEventListener('touchstart', fdiv.onmousedown, false);
fdiv.addEventListener('touchmove', function(event) {
// 如果这个元素的位置内只有一个手指的话
if (event.targetTouches.length == 1) {
event.preventDefault();// 阻止浏览器默认事件，重要
var touch = event.targetTouches[0];
if((touch.pageY)<=0){//超过顶部
fdiv.style.top="0px";
}else if(touch.pageY>(screenHeight-parseInt(fdiv.clientHeight))){//超过底部
fdiv.style.top=(screenHeight-parseInt(fdiv.clientHeight))+"px";
}else{
fdiv.style.top = (touch.pageY-parseInt(fdiv.clientHeight)/2) + "px";
}
if(touch.pageX<=0){//超过左边
fdiv.style.left="0px";
}else if( touch.pageX >(screenWidth-parseInt(fdiv.clientWidth))){//超过右边
fdiv.style.left=(screenWidth-parseInt(fdiv.clientWidth))+"px";
}else{
fdiv.style.left = (touch.pageX-parseInt(fdiv.clientWidth)/2) + "px";
}
}
}, false);
fdiv.addEventListener('touchend', document.onmouseup , false);
if (typeof(jQuery) == 'undefined'||$("dragerDom").on==undefined) {
let script = document.createElement('script');
script.setAttribute('src', 'https://code.jquery.com/jquery-3.1.1.min.js');
document.getElementsByTagName('head')[0].appendChild(script);
}
let addDom = null;
fdiv.ondblclick=function(){//双击事件可能在手机端浏览器会与网页缩放事件冲突
if(deleteMode==0){//进入删除模式
deleteMode = 1;
$(this).addClass("chosenBorder");
let position = {
x: 0,
y: 0,
left: 0,
top: 0,
}
let target = null
let rawStyle = null
let tarr = null
let pname = ''
let isDown = false
let isHide = false
let rawOpacity = 1
//加边框知道选中了哪个
$("*").hover(
function(event){
if(deleteMode==1){
if(event.currentTarget.id=="dragerDom"||event.currentTarget.parentNode.id=="dragerDom"||isDown) return false;
$(this).addClass("chosenBorder");
if (addDom){
addDom.remove()
}
addDom = $("<div id='addDomadddom' style='clear:both; opacity:1; width:7px; white-space: nowrap; overflow: visible; font-size: 11px; background-color: rgb(127, 217, 217, 0.77); font-weight:1100; z-index: 100000000; position: absolute; top:1; left:1; color: blue;'></div>").text('o')
let styleD = getComputedStyle(event.currentTarget, null)
rawOpacity = event.currentTarget.style.opacity
event.currentTarget.style.opacity = 0.77
let tmpDom002 = $("<div style='clear:both; opacity:1; width:7px; white-space: nowrap; overflow: visible; font-size: 11px;'></div>").text("移动到最左边删除，移到页面顶部可还原: ")
addDom.append(tmpDom002)
let tmpDom001 = $("<div style='clear:both; opacity:1; width:7px; white-space: nowrap; overflow: visible; font-size: 11px;'></div>").text(event.currentTarget.parentNode.nodeName+'.'+event.currentTarget.className)
addDom.append(tmpDom001)
let tmpDom0 = $("<div style='clear:both; opacity:1; width:7px; white-space: nowrap; overflow: visible; font-size: 11px;'></div>").text("width:"+ styleD['width'])
addDom.append(tmpDom0)
let tmpDom1 = $("<div style='clear:both; opacity:1; width:7px; white-space: nowrap; overflow: visible; font-size: 11px;'></div>").text("height:"+ styleD['height'])
addDom.append(tmpDom1)
let zi = styleD['z-index']
let tmpDom2 = $("<div style='clear:both; opacity:1; width:7px; white-space: nowrap; overflow: visible; font-size: 11px;'></div>").text("z-index:"+ zi)
addDom.append(tmpDom2)
$(this).before(addDom)
return false;
}
},
function(){
if(deleteMode==1){
if(event.currentTarget.id=="dragerDom"||event.currentTarget.parentNode.id=="dragerDom"||isDown) return false;
$(this).removeClass("chosenBorder");
event.currentTarget.style.opacity = rawOpacity
if (addDom){
addDom.remove()
addDom = null
}
}
}
);
var cloneObj = function (obj) {
var newObj = {};
if (obj instanceof Array) {
newObj = [];
}
for (var key in obj) {
var val = obj[key];
newObj[key] = typeof val === 'object' ? cloneObj(val) : val;
}
return newObj;
};
//点击隐藏，使用on方法，保留原来的事件
$("*").on("dbclick",function (event){
if(event.currentTarget.id=="dragerDom"||event.currentTarget.parentNode.id=="dragerDom") return false;
$(this).hide();
return false;
});
$("*").on("mousedown",function (event){
if(event.currentTarget.id=="dragerDom"||event.currentTarget.parentNode.id=="dragerDom") return false;
target = event.currentTarget
rawStyle = cloneObj(event.currentTarget.style)
// target.style.fixedheight = '70px !important';
// target.style.fixedwidth = '100px !important';
tarr = $(this)
document.documentElement.style.overflow = 'auto'
pname = tarr.parent().prev().prop('nodeName')
position.x = event.clientX
position.y = event.clientY
position.left = event.currentTarget.offsetLeft
position.top = event.currentTarget.offsetTop
isDown = true
isHide = false
return false;
});
$("*").on("mousemove",function (event){
if(event.currentTarget.id=="dragerDom"||event.currentTarget.parentNode.id=="dragerDom") return false;
if (!isDown) return
target.style.position = "absolute"
target.style.zIndex = 100000001;
let mx = event.clientX
let my = event.clientY
let myLeft = mx - position.x + position.left
let myTop = my - position.y + position.top
//console.log({ myLeft, myTop })
target.style.left = myLeft + "px"
target.style.top = myTop + "px"
if (event.clientX == 0 && !isHide){
tarr.hide();
showMessage('已删除Dom: '+pname+'-> '+tarr.prev().prop('nodeName'), 0);
isHide=true;
}
if (event.clientY < 3){
target.style = rawStyle
tarr.show();
showMessage('已还原Dom: '+pname+'-> '+tarr.prev().prop('nodeName'), 0);
isDown = false
isHide=false;
}
});
$("*").on("mouseup",function (event){
if(event.currentTarget.id=="dragerDom"||event.currentTarget.parentNode.id=="dragerDom") return false;
if (isDown) isDown = false
});
//单独操作iframe里的广告
$("iframe").each(function(){
//console.log($(this).attr("id"));
$(window.frames[$(this).attr("id")].document).find("*").on("click",function (event){
if(event.currentTarget.id=="dragerDom"||event.currentTarget.parentNode.id=="dragerDom") return false;
$(this).hide();
return false;
});
})
}else{//删除结束
deleteMode = 0;
$("*").removeClass("chosenBorder");
//去掉点击事件
$("*").off("dbclick");
$("*").off("mousedown");
$("*").off("mousemove");
$("*").off("mouseup");
$(window.frames[$(this).attr("id")].document).find("*").off("click");
}
}
})();