jQuery实现Div拖动+键盘控制综合效果办法【jquery】

web前端|js教程

jQuery,Div,拖动,键盘控制,效果,方法

web前端-js教程

本文实例讲述了jQuery实现Div拖动+键盘控制综合效果的方法。分享给大家供大家参考。具体实现方法如下：

天网防火墙程序源码,ubuntu如何安装dns,tomcat域账号密码,怎样爬虫购物,php rtmp直播,秒收录怎么做霸屏seo 优化lzw

预览时看不到效果，刷新一下即可

仿qq空间日志网站源码,ubuntu.sh 手机,爬虫制作方法,php iccid,seo排名月薪lzw

var msgObj = document.getElementById(‘text’);

var posx = 0;

var posy = 0;

var moveable = false;

var MouseDownEvent = document.onmousedown;

var MouseMoveEvent = document.onmousemove;

var MouseUpEvent = document.onmouseup;

msgObj.onmousedown = function(evt) {

var evt = evt||window.event;

moveable = true;

posy = evt.clientY-parseInt(msgObj.style.top);

posx = evt.clientX-parseInt(msgObj.style.left);

document.onmousemove = function(evt) {

if (moveable) {

var evt = evt||window.event;

msgObj.style.left = evt.clientX – posx + “px”;

msgObj.style.top = evt.clientY – posy + “px”;

}

change();

};

document.onmouseup = function () {

if (moveable) {

document.onmousemove = MouseMoveEvent;

document.onmouseup = MouseUpEvent;

moveable = false;

posx = 0;

posy = 0;

}

};

}

var v=1;

var a=0.9;

var h=document.documentElement.clientHeight;

function scroll(){

var timer=setInterval(function(){

v +=a;

var top=(parseInt(msgObj.style.top)||0);

if(top+v>h-70){

if(v<2)clearInterval(timer);

msgObj.style.top=h-70+”px”;

v=-v*0.5;

}else{

msgObj.style.top=top+v+”px”;

}

change();

},10);

};

$(document).keyup(function(e){

var e = e || window.event ;

if(e.which == 13){

scroll();

}

})

var x = 4 ;

var y = 4 ;

function newpro(){

var Height = document.documentElement.clientHeight ;

var Width = document.documentElement.clientWidth ;

var newobj = document.createElement(‘div’);

newobj.setAttribute(‘id’,’bigbox’);

newobj.style.position = ‘absolute’;

newobj.style.left = 20 +”px”;

newobj.style.top = 80 +”px”;

newobj.style.height = Height/x +”px” ;

newobj.style.width = Width/y +”px” ;

newobj.style.borderWidth = 1+”px”;

newobj.style.borderColor = “#ff6500”;

newobj.style.borderStyle = ‘solid’ ;

newobj.innerHTML=’

涉黄app诱导充值源码,ubuntu等保加固,tomcat9 win10,爬虫下载缓存,php哪里可以学习视频,君武seolzw

‘;

document.body.appendChild(newobj);

change();

}

function change(){

var minobj = document.getElementById(‘minbox’);

minobj.style.position = ‘absolute’;

minobj.style.left = parseInt(msgObj.style.left)/x +”px”;

minobj.style.top = parseInt(msgObj.style.top)/y +”px”;

minobj.style.height = 20 +”px” ;

minobj.style.width = 30 +”px” ;

minobj.style.background = “#F06”;

}

window.onload = function(){

newpro();

}