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JS implementation of cool email address add function instance _javascript tips

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The example of this article tells JS to implement cool email address Add function method. Share to everyone for your reference. The implementation methods are as follows:

Copy Code code as follows:
<title>js to implement cool email address add function </title>
<style type= "Text/css" >
ul{list-style:none; margin:0; padding:0;}
li{margin:0; padding:0;}
#content {width:100%;}
#sendmail {float:left; width:60%;}
#friendlist {float:left; width:30%;}
#bxAddrFly {position:absolute;height:18px; Width:46px;background: #EEE; border:1px #ccc Solid;display:none;}
#tbAddrTree {width:126px; float:left; padding:5px;border:1px #7F9DB9 Solid;}
#tbAddrTree li{width:100%; float:left;}
#tbAddrTree A{backgroud: #fff; Width:100%;color: #494949; text-decoration:none;float:left;}
#tbAddrTree a:hover{background: #e5edf6;}
</style>
<script type= "Text/javascript" >
var ev={};
var flydiv= "Bxaddrfly";
var inceptdiv= "sendaddress";
var addevent= "addaddress ()";
Function oo (obj) {return (document.getElementById) document.getElementById (obj): Document.all[obj];}
function IsNone (str) {return str==null| | str== ""? True:false}
var Browser = new Object ();
Browser.isfirefox = (Navigator.userAgent.toLowerCase (). IndexOf ("Firefox")!=-1);
if (Browser.isfirefox) {extendeventobject ();}
function Extendeventobject () {
WINDOW.CONSTRUCTOR.PROTOTYPE.__DEFINEGETTER__ ("Event", function () {
var o = Arguments.callee.caller;
var e;
while (o!= null) {
e = o.arguments[0];
if (e && (e.constructor = = Event | | e.constructor = = mouseevent)) return e;
o = O.caller;
}
return null;
});

event.prototype.__definegetter__ ("Srcelement", function () {
var node = This.target;
while (Node.nodetype!= 1) node = Node.parentnode;
return node;
});
}
Window.onload = function () {
var addrtree = oo (' tbaddrtree ');
Addrtree.onmouseover = function () {addrtree_event (event)};
Addrtree.onmouseout = function () {addrtree_event (event)};
Addrtree.onclick = function () {addrtree_event (event)};
}
function Addrtree_event (e) {
var memberid,tr
var ee = e.srcelement;
if (ee.tagname== "A" &&e.type== "MouseOver") {ee.style.textdecoration= "underline"}
if (ee.tagname== "A" &&e.type== "Mouseout") {ee.style.textdecoration= "}
if (e.type== "click" &&e.srcelement.tagname== "A") {
var Li=ee.parentnode.parentnode;
Ev. Addinfo= "\" "+li.getattribute (" membername ") +" \ <\ "" +li.getattribute ("email") + ">"
OO (flydiv). Innerhtml=li.getattribute ("MemberName");
Addrtree_add (E.clientx,e.clienty)
}
}
function Addrtree_add (Ex,ey) {
if (oo (flydiv). style.display== ' None ' | | OO (flydiv). style.display== ') {oo (flydiv). style.display= ' block ';}
var incepte = oo (inceptdiv);
var Inceptex = incepte.offsettop;
var inceptey = Incepte.offsetleft;
while (Incepte = incepte.offsetparent) {
Inceptex + = Incepte.offsettop;
Inceptey + = Incepte.offsetleft;
}
Ev.flyarr=new Array (ex,ey,inceptex,inceptey,10);
Fly (flydiv,addevent);
}

function Fly (Flyobj,flyrun) {
var obj,a=ev.flyarr,x,y
if (flyobj!=null) {
if (ev.flyobj!=null) {
Window.cleartimeout (EV.FLYTM);
ev.flyobj.style.top=-900;
}
a[5]=0;
Ev.flyobj=oo (Flyobj);
Ev.flyrun=flyrun;
}

Obj=ev.flyobj;
if (a[4]==null) {a[4]=1}
A[5]+=a[4]/math.sqrt (Math.pow (a[2]-a[0],2) +math.pow (a[3]-a[1],2));
if (a[5]>1) {
obj.style.top=-900;
eval (Ev.flyrun);
Ev.flyobj=null;
Return
}

Window.cleartimeout (EV.FLYTM);
X= (A[2]-a[0]) *a[5]+a[0];
Y= (A[3]-a[1]) *a[5]+a[1];
Obj.style.left=x;
Obj.style.top=y;
document.body.style.overflowx= "hidden";
Ev.flytm=window.settimeout ("Fly ()", 10)
}

function addaddress ()
{
var Key=ev. Addinfo;
if (oo (inceptdiv). Value.indexof (key) ==-1)
{
OO (inceptdiv). value+=key+ ",";
}
}
</script>
<body>
<div id= "Content" >
<div id= "SendMail" >
<input name= "TextField" type= "text" id= "sendaddress" size= ">"
</div>
<div id= "Friendlist" >
<div id= "Tbaddrtree" >
<ul>
<li membername= "John" email= "zhangsan@163.com" ><nobr><a> John </a></nobr></li>
<li membername= "Dick" email= "lisi@1126.com" ><nobr><a> Dick </a></nobr></li>
<li membername= "Harry" email= "Wangwu@189.com" ><nobr><a> Harry </a></nobr></li>
</ul>
</div>
<div id= "Bxaddrfly" > </div>
</div>
</div>
<br/>
</body>

I hope this article will help you with your JavaScript programming.

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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