JavaScript to achieve a Web page Adaptive window size source code

Source: Internet
Author: User

instance One

<! doctype html> <html> <head>     <meta http-equiv= "Content-type"  content= "Text/html; charset=utf-8" >     <meta http-equiv= " Imagetoolbar " content=" no ">     <meta name=" viewport " content=" width= Device-width,inital-scale=1 "/>     <title>Login</title>      <style type= "Text/css" > body{    text-align: left;    
 background-color: F6F6F6;
    background-attachment: fixed; }   #imgcenter {    position:relative;     height: auto;  
   width:50%;
    left:20%;
    top:250px; } #center {    position:relative;     height: auto;   
  width:50%;     left:20%;
    top:220px; }   #account {    position:relative;     height: auto;  
   left:60%;
    top:-110px;
    padding:2%;
    width:50%; }   #pwd {    position:relative;     height: auto;   
  left:60%;
    top:-100px;
    padding:2%;
    width: 50%; }   #login {    position:relative;     height: auto;   
  left:60%;
    top:-95px;
    padding:1%;
    width: 25%; } #logo {    padding:3%;     width: 50%;     
height: auto; } #div_forgetpwd {    position:relative;     height: 30%;
    left: 90%;
    top:-115px;
    width: 25%;
    font-size: 1pt;       white-space:nowrap; } #div_forgetpwd  a{    text-decoration: none;     margin:
 auto; } #div_forgetpwd  a:hover{    text-decoration: underline;     
margin: auto; }
. clew{    position:relative;     height: 15px;    
 left:-10%;
    top:-80%;
    padding:2% 50%;
    white-space:nowrap;
    color:  #FFFFD5;
    font-weight: bold;
    font-family: century gothic, arial;
    background:  #FCBE47;     border-top: 2px solid  #db6e3c;
    border-bottom: 2px solid  #db6e3c; }   </style>     <script type= "Text/javascript"  src= E:\MyProject\ Html\kserver\jquery-1.4.2.min.js "></script>     <script type=" text/
JavaScript ">//error clew var userflag=0;
var pwdflag=0; $ (). Ready (function ()  {    $ ("Form :input"). blur (function ()  {  
      var  $parent  = $ (this). parent ();
         $parent. Find (". Clew"). Remove ();         if ($ (this). Is (". Username"))  {             if (this.value== ""  | |  this.value.length < 0)  {                 var errormsg =  "Please enter your account."                  $parent. Append
("<span class= ' Clew clew ' >" +errormsg+ "</span>");             }else      
   userFlag=1;        &NBSP}           if ($ ( This). is (". Password"))  {            if ( this.value== ""  | |  this.value.length < 0)  {          
      var errorMsg =  "Please enter your password."                  $parent. Append ("<span class= ' Clew clew ' > "
+errormsg+ "</span>");             }else      
   pwdFlag=1;         }             &NBSP}). KeyUp (function ()  {        $ (this). Triggerhandler ("Blur")
;    &NBSP}). focus (function ()  {        $ (this).
Triggerhandler ("Blur");
    });
}); Submit Inspection Function validate_form (thisform) {    with  (thisform) {         if  (userflag==0| | pwdflag==0) {            username.focus ();  
           return false;        &NBSP}    &nbsp}} </script> </head> <body bgcolor= "#F6F6F6"  > <!--<form  action= "#"  method= " Get " name=" form " id=" form ">   Current Window Height:  <input type=" text " name=" availheight "  size= "6" >  <br>   Current window width:  <input type= "text"  name= "availwidth"  
Size= "6" >  <br>  </form>-->     <div id= "Imgcenter" >         <img src= "E:\MyProject\html\KServer\login\login.png"
 id= "logo"  align= "left"  ></div>     <div id= "center" >         <form method= "POST"  action= "db.html"   Onsubmit= "Return validate_form (this);" >             <input type=text name = "username"  value= "Please enter the username ..."  id= "Account"             class= "username" >              <br>              <input type=password name= "password"  value= "..."  id= "pwd"  class= "password" >              <br>             <input type= Submit value= "Login"  id= "login" >                <div id= "Div_forgetpwd" >                              
   <a href= "E:\MyProject\html\KServer\register\register.html"  > registered account </a>                 <a href= "E:\MyProject\html\KServer\forget_pwd\forget_pwd.html"
 > Forgot password </a>             </div>                        </form>     </div>     <script 
Type= "Text/javascript" >     //change element CSS Properties     function set () {         var setimgdiv = document.getelementbyid ("
Imgcenter ");
        setImgDiv.style.top =  "150px";
        setImgDiv.style.left =  "36%";         var settextdiv = document.getelementbyid ("
Center ");         settextdiv.style.top =  "280px";
        setTextDiv.style.left =  "8%";
        var setlogo=document.getelementbyid ("logo");
        setlogo.style.height= "100px";
        setlogo.style.width= "240px";
        var setaccount=document.getelementbyid ("account");
        setaccount.style.height= "15px";
        setaccount.style.width= "240px";
        var setpwd=document.getelementbyid ("pwd");
        setpwd.style.height= "15px";
        setpwd.style.width= "240px";
        var setlogin=document.getelementbyid ("login");  &Nbsp;      setlogin.style.height= "25px";
        setlogin.style.width= "100px";         var setforgetpwd=document.getelementbyid ("Div_forgetpwd")
;
        setforgetpwd.style.width= "100px";
        setforgetpwd.style.left= "100%";    &NBSP}     function reset () {      
  var resetimgdiv = document.getelementbyid ("Imgcenter");
        reSetImgDiv.style.top =  "250px";
        reSetImgDiv.style.left =  "20%";         var resettextdiv = document.getelementbyid ("
Center ");         reSetTextDiv.style.top =  "220PX ";
        reSetTextDiv.style.left =  "20%";
        var resetlogo=document.getelementbyid ("logo");
        resetlogo.style.height= "Auto";
        resetlogo.style.width= "50%";
        var resetaccount=document.getelementbyid ("account");
        resetaccount.style.height= "Auto";
        resetaccount.style.width= "50%";
        var resetpwd=document.getelementbyid ("pwd");
        resetpwd.style.height= "Auto";
        resetpwd.style.width= "50%";
        var resetlogin=document.getelementbyid ("login");         resetlogin.style.height= "Auto";
        resetlogin.style.width= "25%";         var resetforgetpwd=document.getelementbyid ("Div_forgetpwd
");
        resetforgetpwd.style.width= "100px";
        resetforgetpwd.style.left= "90%";    &NBSP}     function setsizemid () {     
   var setsizemidimgdiv = document.getelementbyid ("Imgcenter");
        setSizeMidImgDiv.style.top =  "150px";
        setSizeMidImgDiv.style.left =  "22%";         var setsizemidtextdiv = document.getelementbyid
("center");         setsizemidtextdiv.style.top =  "280px";
        setSizeMidTextDiv.style.left =  " -35px";
        var setsizemidlogo=document.getelementbyid ("logo");
        setsizemidlogo.style.height= "100px";
        setsizemidlogo.style.width= "240px";
        var setsizemidaccount=document.getelementbyid ("account");
        setsizemidaccount.style.height= "15px";
        setsizemidaccount.style.width= "240px";
        var setsizemidpwd=document.getelementbyid ("pwd");
        setsizemidpwd.style.height= "15px";
        setsizemidpwd.style.width= "240px";         var setsizemidlogin=document.getelementbyid ("login");
        setsizemidlogin.style.height= "25px";
        setsizemidlogin.style.width= "80px";         var setsizemidforgetpwd=document.getelementbyid ("Div_
Forgetpwd ");
        setsizemidforgetpwd.style.width= "80px";
        setsizemidforgetpwd.style.left= "110%";    &NBSP}     function setsizemini () {     
   var setsizeminiimgdiv = document.getelementbyid ("Imgcenter");
        setSizeMiniImgDiv.style.top =  "150px";
        setSizeMiniImgDiv.style.left =  "6%";         var setsizeminitextdiv =&nbSp;document.getelementbyid ("center");
        setSizeMiniTextDiv.style.top =  "280px";
        setSizeMiniTextDiv.style.left =  " -60px";
        var setsizeminilogo=document.getelementbyid ("logo");
        setsizeminilogo.style.height= "100px";
        setsizeminilogo.style.width= "240px";         var setsizeminiaccount=document.getelementbyid ("account")
;
        setsizeminiaccount.style.height= "15px";
        setsizeminiaccount.style.width= "240px";
        var setsizeminipwd=document.getelementbyid ("pwd");
        setsizeminipwd.style.height= "15px";         setsizeminipwd.style.width= "240px";
        var setsizeminilogin=document.getelementbyid ("login");
        setsizeminilogin.style.height= "25px";
        setsizeminilogin.style.width= "80px";         var setsizeminiforgetpwd=document.getelementbyid ("Div_
Forgetpwd ");
        setsizeminiforgetpwd.style.width= "80px";
        setsizeminiforgetpwd.style.left= "125%";    &NBSP}           //get current window dimensions    
  var winWidth = 0;
     var winHeight = 0;
     function finddimensions ()  //function: Getting dimensions      {         //Get window width         if  (window.innerwidth)
        winWidth = window.innerWidth;         else if  ((document.body)  &&  ( Document.body.clientWidth))         winWidth = 
Document.body.clientWidth;         //Get window Height         if   (window.innerheight)         winHeight = 
Window.innerheight;         else if  ((document.body)  &&  ( document.body.clientHeight))         winHeight = 
Document.body.clientHeight;         //through the inside document to detect the body, get window size          if  (document.documentelement  && document.documentelement.clientheight
 && document.documentelement.clientwidth)         {
        winHeight = document.documentElement.clientHeight;
        winWidth = document.documentElement.clientWidth;    &NBSP}     //result output to two text boxes     if (winWidth<420| |
winheight<537)         setsizemini ();     else if (420<=winwidth&&winwidth<=595)      
   setsizemid ();     else if (595<winwidth&&winwidth<850| |
537<winheight&&winheight<590)         set ();     else     &nbsP;   reset ();
    }         finddimensions ();
     //call function, get numeric      window.onresize=findDimensions;  </script> </body> </html>


Example Two

Function init () {             if (  document.body.scrollwidth >  (window.screen.availwidth-100)  ) {                         window.dialogwidth =  (window.screen.availwidth-100). toString ()  +  "px"              }       else{                          window.dialogWidth =  (document.body.scrollwidth +10). toString ()  +  "px"              }        if ( document.body.scrollHeight >  (window.screen.availheight-70)  ) {          &NBsp;          window.dialogheight =  ( WINDOW.SCREEN.AVAILHEIGHT-50). ToString ()  +  "px"              }else{                         window.dialogHeight =  ( DOCUMENT.BODY.SCROLLHEIGHT +10). ToString ()  +  "px"              }                  window.dialogLeft =  ((window.screen.availwidth - document.body.clientwidth)  /  2). ToString ()  +  "px"  ;              window.dialogTop =  ((window.screen.availheight - document.body.clientheight)  /
 2). ToString ()  +  "px";  }


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