my javascript works only in IE9 but does not work in anyother browser

i have javascript code for a snake game but its only works with IE9 does anyone know how i can fix it?
here is the code

Expand|Select|Wrap|Line Numbers

 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
 
 <head>

 <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />

    <title>Snake Game</title>

 <style type="text/css">

        table#board {

            margin: 0 auto;

            border: 4px solid blue;

            border-collapse:collapse;

        }

        table#board1 {

            margin: 0 auto;

            border: 4px solid blue;

            border-collapse:collapse;

        }

        table#board1 td {

            height: 40px;

            width: 360px;

            padding: 0;

            margin: 0;

            }
 
            .item{}

.worm1 {

  font-weight:bold;

  font-size:12pt;

  color:blue;

  background:white;

  width:150px;

  BORDER-BOTTOM: #ffffff solid 0px; 

  BORDER-TOP: #ffffff solid 0px; 

  BORDER-LEFT: #ffffff solid 0px; 

  BORDER-RIGHT: #ffffff solid 0px; 

}

.worm2 {

  font-weight:bold;

  font-size:12pt;

  color:red;

  background:white;

  width:150px;

  BORDER-BOTTOM: #ffffff solid 0px; 

  BORDER-TOP: #ffffff solid 0px; 

  BORDER-LEFT: #ffffff solid 0px; 

  BORDER-RIGHT: #ffffff solid 0px; 

}

.info {

  font-weight:bold;

  font-size:10pt;

  color:black;

  background:white;

  width:200px;

  height:150px;

  BORDER-BOTTOM: #ffffff solid 1px; 

  BORDER-TOP: #ffffff solid 1px; 

  BORDER-LEFT: #ffffff solid 1px; 

  BORDER-RIGHT: #ffffff solid 1px; 

}

h1{

text-align:center; 

color: red; 

}

</style>

 </head>

<body background="background.jpg"> 
 
<h1 align="center">Snake Game!</h1>
 
 <script type="text/JavaScript">
 
//<![CDATA[
 
  var height = 20; /*number of boxes vertically*/ 

  var width = 20; /*number of boxes horizontally*/

  var speed = 100;    

  width += 4;

  var a = 0;

  var b = 0;

document.write("<table id=board bgcolor=black bordercolor=blue");

document.write("align=center border=1 cellpadding=0 cellspacing=0><tr><td>");

for (b = 0; b < height+2; b++) {

document.write("<img src=end.gif width=0 height=0>");

for (a = 0; a < width- 2; a++) {

if ((b == 0) || (b == height+1)) {

document.write("<img src=end.gif width=0 height=0>");/* the end.gif image is the inner side of the border*/

}

else 

{

document.write("<img src=blank.gif width=15 height=15>");/* blank image covers each box in the field area*/

}

}

document.write("<img src=end.gif width=0 height=0><br>");

}

document.write("</td></table>");

/*second cell*/

document.write("<table id = board1>");

document.write("<td valign=top align=center bgcolor=#00CED1>");/*we have used valign to insure the <p> tag stays on top and other text follows the vertical alignment*/

document.write("<p align=center><strong><font color=blue>Points score </font></strong></p>");

/* point score area*/

document.write("<br>");

document.write("<form name=info>");

document.write("<input type=button size=30 value=0 class=worm1></form>");
 
document.write("<br><font size=-1>Press any arrow key to start</font></td></tr></table>");

var points = 0;

var go = 1;

var di = 0;

var x = 0;

var y = 0;

var n = 0;

document.images[1].src = "blank.gif"; 

var blank = document.images[1].src;

var hw = (height * width);

var o = Math.floor(Math.random() * hw - 2);

do {

o = Math.floor(Math.random() * hw-2);

} while(document.images[o].src != blank);

var i = o;

var food = 0;

do {

food = Math.floor(Math.random() * hw-2);

} while (document.images[food].src != blank);

document.images[i].src = "worm.gif";

document.images[width-1].src="end.gif";

var end = document.images[width-1].src;

var file = document.images[i].src;

var length = 1;

var worm = new Array();

var k = 0;

var ie = document.all ? 1 : 0;

var  enableScroll = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >3)) ;

var height = document.images[0].height;

var tScroll;

var d = 0;

function runTimer() {

if (d != 0) { n++; }

if (d == 1) { i--; }

if (d == 2) { i++; }

if (d == 3) { i += width; }

if (d == 4) { i -= width; }

if (document.images[i].src == end) {

speed -= 400; i = worm[n-1]; di = 1; die();/*when the speed of the snake(worm)=400 which is stoping the worm will die*/

}

worm[n] = i;

if(i == food) {

length++; points += (10*length);/*when the snake(worm) eat food (i) you get points = to 10 times the length of the worm*/

do {

food = Math.floor(Math.random() * hw-2);/*we call Math.random method for the food to appear in random places every time you start the game*/

} while (document.images[food].src != blank);

if (di == 0) {

document.info.elements[0].value = points;

   }

}

if (n > length){

o = worm[n-length];

}

if ((document.images[i].src == file) && (n > 1)) {

speed -= 400; d = 0; di = 1; die();

}

if(di == 0) {

document.images[o].src = "blank.gif";

document.images[i].src = "worm.gif";

document.images[food].src = "food.gif";

tScroll = window.setTimeout("runTimer();", speed);/*used this method(setTimeout) to call tScroll function for a period of time*/

   }

}

if (enableScroll){

if (ie) window.onload = runTimer;/*when the function tScroll is called when the page loading the setTimeout method(runTimer) is enabled*/

if (ie) window.onunload = new Function("clearTimeout(tScroll)");/*to stop the mwthod setTimeout by calling clearTimeout method*/

}

system = "";

ver = navigator.appVersion;

len = ver.length;

for (iln = 0;iln < len; iln++) if (ver.charAt(iln) == "(") break;

system = ver.charAt(iln+1).toUpperCase();

document.onkeydown = keyDown;/*we called onKeydown function a keyDown*/

if (system != "C") {

document.captureEvents(Event.KEYDOWN);/*KEYDOWN method specifies the type of events that should be passed to the document rather than to the object for which they were intended */

}

function keyDown(DnEvents) {/*calling the event(keyDown)*/

if (system != "C") {

k = DnEvents.which;

} else {

k = window.event.keyCode;

}

if (k == 37) { d = 1; }

if (k == 39) { d = 2; }

if (k == 40) { d = 3; }

if (k == 38) { d = 4; }

}

function die() {

i = 0;

o = 0;

food = 0;

document.info.elements[0].value = "Died with " + document.info.elements[0].value;

var restart=confirm("Play Again?");

if(restart){ location.reload(); }

}

function open_win()

{

window.open("snakegame.txt","_blank","toolbar=yes, location=yes, directories=no, status=no, menubar=yes, scrollbars=yes, resizable=no, copyhistory=yes, width=800, height=500");

}

//]]>

</script>

</body>
 
</html>

Attached Images

	background.jpg (79.1 KB, 641 views)
	worm.gif (1,010 Bytes, 187 views)
	food.gif (933 Bytes, 187 views)
	end.gif (49 Bytes, 190 views)
	blank.gif (46 Bytes, 189 views)

Jan 4 '11 #1

Subscribe Post Reply

2206

acoder

16,027

Expert Mod 8TB

First things first. Why test with IE first? Always test with another browser that is usually more standards-compliant.

What happens in the other browsers? What error message do you see? On which line?

Jan 11 '11 #2

Similar topics

javascript won't work

by: Steven Green | last post by:

I did a clean install of Windows XP on my computer and my javascript will not work. I've tried all types of browsers, I've download the Service pack 1 for XP and IE. I have download java from...

Javascript

My javascript works great for every browser but Safari. How can I fix that?

by: David | last post by:

On every web browser except Safari, this website works great. (Well, by "every" I mean Mozilla, Netscape, and Internet Explorer, for Mac and Windows). The site is: http://www.ruleofthirds.com ...

Javascript

Javascript doesn't work across proxy

by: Mike | last post by:

Sorry if this isn't exactly the right NG for this, but I thought you guys would know better than anyone else. I have 2 computers networked. The internet connection is dial-up, and I'm using...

Javascript

Javascript works fine until an asp.net button pushed

by: tshad | last post by:

I posted this on the asp.net group, also. I wasn't sure whether this was an asp.net problem or a javascript problem. I have a page that was originally created from a program I found on the net...

Javascript

javascript iframe not resizing on browser load

by: Kuv patel | last post by:

Hi I am displaying a page inside an Iframe, and I would like to enlarge the iframe window to the size of the browser when the browser window loads up. In the onload event of the browser I am...

ASP.NET

Post via hidden input types & javascript won't work...

by: b. hotting | last post by:

Hi, I don't see why this won't work, it are 3 links, the last one (a get) does work, but the first 2 won't. i would like to use a post, through hidden input types any idea? thanks for your...

Javascript

Javascript won't work in Firefox

by: Sky Kast | last post by:

I'm running Firefox on a win 98 computer and javascript won't work And yes i have set everything javascript that should enable to true or check so it's not that

Javascript

External Javascript works fine in Firefox, but breaks in IE

by: nickarnold | last post by:

Hi, this is my first time posting a question, so I apologize if I goof up or do not provide enough information. I am trying to implement a simple countdown script that I grabbed from Dynamic...

Javascript

Can't get javascript file to work...

by: Matthew Wells | last post by:

Hello. I thought this was supposed to be simple. I'm trying to use a .js file for my javascript functions. I'm testing by only using one function The function works when it's at the top of...

ASP.NET

Migrating Website to Cloud - Emmanuel Katto

by: emmanuelkatto | last post by:

Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud. Please let me know. Thanks! Emmanuel

General

Navigating the Data Structures and Algorithms (DSA)

by: BarryA | last post by:

What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...

Algorithms / Advanced Math

Looking to do Android software development, any suggestions? Is flutter better?

by: nemocccc | last post by:

hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?

General

Is that possible of reading the .csv file in column wise and the column have different lengths ?

by: Sonnysonu | last post by:

This is the data of csv file 1 2 3 1 2 3 1 2 3 1 2 3 2 3 2 3 3 the lengths should be different i have to store the data by column-wise with in the specific length. suppose the i have to...

C / C++

How to build RAID in BIOS?

by: Hystou | last post by:

There are some requirements for setting up RAID: 1. The motherboard and BIOS support RAID configuration. 2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...

Computer Hardware

Problem With Comparison Operator <=> in G++

by: Oralloy | last post by:

Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers,...

C / C++

Discussion: How does Zigbee compare with other wireless protocols in smart home applications?

by: tracyyun | last post by:

Dear forum friends, With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...

General

AI Job Threat for Devs

by: agi2029 | last post by:

Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing,...

Career Advice

Access Europe - Using VBA to create a class based on a table - Wed 1 May

by: isladogs | last post by:

The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM). In this session, we are pleased to welcome a new...

Microsoft Access / VBA