More than 200 JS tricks code (eight) __js

199. mode window Parent window var url= "aaa.jsp"; var   data=showmodaldialog (Url,null, "dialogheight:400px;dialogheight:600px;center:yes;help:no;status:no;
Resizab   Le:yes;edge:sunken ");
if (data)  alert (Data.value);
   Sub Window var data=new object ();
"Data.value1=";
Window.returnvalue=data;
Window.close ();      200. Dynamically set events with parameters <input type= "text"  name= "A1" > <script language= JavaScript > <!--function hah (para) { alert (para)} a1.onclick=function () { hah (' canshu  ')
}//a1.attachevent ("onclick", function () {hah (' parameter ')});
--> </script>//     201. Convert URL to 16 form  var ret =  ';    for (var i=0; i < str.length; i++)  {  var ch =
 str.charat (i);
  var code = str.charcodeat (i);     if (code < 128 && ch !=  ' ['  && ch !=  '  && ch !=  ' = ')   {   ret 
+= ch; &NBSP;&NBSP}   else   {   ret +=  "["  + code.tostring (16)
 +  "]"; &NBSP;&NBSP} &nbsp}  return ret;//     202. Opens a new window and sets the newly opened window to the active window var newwin=
window.open ("xxxx");
Newwin.focus ()//     203. Error-Tolerant script JS does not do anything when it encounters script errors:window.onerror = donothing; The syntax for the specified error handle is: Window.onerror = handleerror function handleerror (message, uri, line) {//   Prompts the user that the page may not respond correctly return true; //  This will terminate the default information}//in the case of a page Error   window redirection in 204.JS: Window.navigate ("
http://www.sina.com.cn ")//  205. Prevent link text from wrapping document.body.nowrap=true;//  206. Determine if the character matches.
String.match (regexpression)//  207. Href= "Javascript:document. form.name.value= ' test '; void (0); Can not use onclick= "javacript:document."
FORM.NAME.V   alue= ' test ';return false; '  When using the inline method to add event handling feet, there is a process that is packaged as an anonymous function, that is to say, onclick= "javacript:document." Form.name.value= ' Test ';return false; ' was packaged as: Functoin anonymous () {    document.
Form.name.value= ' Test ';return false;
As a member function onclick. and href= "Javascript:document. form.name.value= ' test '; void (0);
is equivalent to executing a global statement, when using the return statement   reports an error using the return statement outside the function.     208. For page magnification <p onmouseover= "this.style.zoom= ' 200% '"  onmouseout= "this.style.zoom=" Normal ' "> Sdsdsdsdsdsdsdsds </p>//  209. Placed at the far right of the page <input type=" text " value= ' bu2 '    style= "Float:right" >//  210. Controls the display of different colors by using the style <style> tr{bgcolor:expression (this.bgcolor= (
This.rowindex)%2==0 )?  ' white '  :  ' yellow '); } </style> <table id= "otable"  width= " border=" 1 " style=" Border-collapse: Collapse; " > <tr><td> </td></tr> <tr><td> </td></tr> <tr> <td> </td></tr> <tr><td> </td></tr> <tr><td> </td></tr > </table>//  211. Full Screen maximization Newwindow=window.open ("", "", "scrollbars") if  (document.all) {  Newwindow.moveto (0,0)  newwindow.resizeto (screen.width,screen.height)}//  212. Resolves node values in XML by name var 
Xmldoc=new activexobject ("MSXML");
Xmldoc.url= "D:/abc.xml";
Aroot=xmldoc.root; A1.innertext=aroot.children.item ("name"). text;//     213. Parse XML values on the page  <a href= "http:// Msdn.microsoft.com/library/default.asp?url=/library/en-us/xmlsdk/html/5996c682-3472-4b03-9fb0-1e08 ">http://
Msdn.microsoft.com/library/default.asp?url=/library/en-us/xmlsdk/html/5996c682-3472-4b03-9fb0-1e08</a>   fcccdf35.asp//  214. See how many carriage returns are inside a string, the return value is an array var s=value.match (/\n/g), or if (s) if (s.length==9) {alert (' 10 lines '); return false;}
  215. Obtain ASC code var s= ' AA '; Alert (S.charcodeat (1))//   216. Text Right Align <input type= "text"  value= "123"  style= "Text-align:right" >//  217. Determine whether a method exists Function pagecallback ( Response) { alert (response);} if (Pagecallback)  alert (1)/     218. Determines whether a variable defines if (typeof (a) =
= "undefined") { alert ()}//     219.javascript executes the executable program on this machine, it needs to be set to trustworthy or reduce IE security level <script>
function exec  (command)  {    window.oldOnError = window.onerror;
    window._command = command;     window.onerror = function  (err)  {       if  (Err.indexof (' utomation ')  != -1)  {         alert (' command has been banned by the user.
');
        return true;
      }       else return false;
    };     var wsh = new activexobject (' Wscript.Shell ');     if  (WSH)       wsh.
Run (command);
    window.onerror = window.oldOnError; &NBSP;&NBSP} </script> Invocation Mode <a href= "javascript:  onclick=" exec (' D:/test.bat ') > Test </a
>//   220. Pop-up new page, close the old page, do not pop-up prompt box  var w=screen.availWidth-10;
   var h=screen.availHeight-10;    var swin=window.open ("/mc/mc/message_management.jsp",   "Bgsmbest", "Scrollbars=yes,
Status,location=0,menubar=0,toolbar=0,resizable=no,top=0,left=0,height= "+h+", W   idth= "+w";
   window.opener=null;    window.close ()//  221. Can enter the Drop-down box <span> <input name= "Department1"  id= " Department1 " style="  border-right:0;width:130 " autocomplete=" Off "> <span style=" width : 150;overflow:hidden "> <select  style=" width:150;margin-left:-130 "  onchange= "Department1.value=value" > <option value= "></option> <option value=" ASDFASFADF ">asdfasfadf</option> <option value=" 546546 ">546546</option></select>  //     222. Define global variables in the method function globalvar  (script)  {         eval (script);//all navigators   //window.execscript (script);  //for  ie only} globalvar (' window.haha =  ').
/system "; ');
alert (haha);//define global variables in the method, where haha is the global variable   223. Displays the value of all properties and properties of an object Var a=new object ();
A.name= ' A1 '; a.***= ' Mail ' for (var p in a) { alert (p+ "=" +a[p])}//     224.16 is converted into 10-in-system Var  n = parseint ("2AE", 16);//here will be 16 into the  2AE  into  10  number, get  n  value is   686     225. Copy and paste <BODY> <input type= "file"  name= ' A1 ' ><input type= "button"  value= ' copy and paste '  onclick= ' haha () "&Gt;<div id= "AA" ></div> <script language= "JavaScript" > <!--function haha () {
 clipboarddata.setdata ("Text", A1.value);
 aa.innertext=clipboarddata.getdata ("Text"); //--> </SCRIPT> </body>//  226. Get Object Type switch  (object.constructor) {   case  date:        case number:        case  string:        case myobject:         Default:    .}      227. Reload picture // 
  228. FONT_EFFECT.HTC <public:attach event= "onmouseover"  onevent= "Glowit ()"  /> <public: Attach event= "onmouseout"  onevent= "Noglow ()"  /> <script language= "JScript" >//
Defines a variable that holds the font color var color; Function glowit () { color=element.sTyle.backgroundcolor;  element.style.backgroundcolor= ' White '} function noglow () {  element.style.backgroundcolor= Color} </SCRIPT>  //abc.css tr{behavior:url (FONT_EFFECT.HTC);}   229. You can change the colors of the form through CSS and HTC, IE only support// xxx.html <link rel= "stylesheet"  type= "Text/css"  href= "abc.css" > <table border= ' 1 '   id= "A1" > <tr style= "background-color:red" >  <TD>1</TD>  <td >2</TD>  <TD>3</TD> </TR> <tr style= "Background-color:yellow" >  
<TD>4</TD>  <TD>5</TD>  <TD>6</TD> </TR> </table>//   230. Draw points on the page function a (x,y,color) { document.write (" ")}//   231. Automatically close Web page <script language=" jaVascript "> <!--settimeout (' Window.close (); ',  10000);  //60 seconds to close// --> </script> <p  align= "Center" > this page closes automatically after 10 seconds, please note refresh page </p>