Whenever Press A Key On Keyboard, It Shows Not A Number Or NaN?

Oct 10, 2009

I have this code as a Grading System, but whenever I press a key on my keyboard, it shows Not a Number or NaN!I need this by two days

<html>
<title>Grading System</title>
<head>

[code]....

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Keyboard Navigation Dropdown Menu - Add Support For Keyboard Navigation?

Jan 19, 2009

Ive been working on a site with a dropdown menu. its styled with css and animated with java i would like to add support for keyboard navigation.

var DDSPEED = 5;
var DDTIMER = 5;
main function to handle the mouse events [code].....

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Keyboard "click" Events - Click Events Don't Seem To Fire If You Use Your Keyboard?

Jan 11, 2011

It's pretty common to assign a click even to a <div> (or other tag), such as:

Code:

// JQuery
$(document).ready(function(){
$("div").click(function(){[code]....

Of course this event won't be accessible from the keyboard, which might be nice. Now if it where an <a> tag, you can do this:

Code:

$(document).ready(function(){
$("a").click(function(e){
alert("clicked");
e.preventDefault();
});
});

The click event will fire if you click the <a>, OR if you tab to it with your keyboard and hit Enter.My question is: is there a way to make elements other than <a> tags accessible in this way? I recently discovered if you define a tabindex on your div, such as <div tabindex="0">test</div>, you can tab to that div, but click events don't seem to fire if you use your keyboard. Are <a> tags the only tags that can work in this way?

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Key Press Events In IE?

May 2, 2009

I'm doing a tutorial from a book to drag and drop elements on a page into a shopping cart. I had everything working fine in IE until I added the function for key presses. What it should do is when 1 is clicked, the first item is moved into the cart, and if I press 1 again the item goes back to where it started.

The function that's giving me problems is keyDrag (at the bottom). I included the other functions in case you need to see them because keyDrag calls them. The error I'm getting in IE is "object expected" and it's at the line marked below in the keyDrag function.

What happens when I press 1 is the item that's supposed to go to the cart appears at the cursor as if I clicked and dragged it. But if I drag it manually into the cart, and then press 1, it will snap back to its original place without problems.

Code:
<script type="text/javascript" language="javascript">
if(isNS) document.captureEvents(Event.MOUSEDOWN | Event.MOUSEMOVE | Event.MOUSEUP);
document.onmousedown = grabIt;
document.onmousemove = moveIt;
document.onmouseup = dropIt;

[Code]...

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Feb 18, 2003

can you pop up a window on key press? for example, if you press the letter "P" a window will pop up, how do you do that?

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Dec 29, 2005

How do i get the 'keypress' event to capture only the 'enter' key
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input.addEventListener('keypress', sendButtonPressed, true);

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Highlight Next Element When Down Key Press?

Apr 17, 2011

I followed the tutorial from phpacademy found here:

part1 (youtube)
part2 (youtube)
part3 (youtube)

The tutorial is great and I successful got the code to work correctly. I am working on adding additional functionality. When a list of suggestions pop up. If the user presses the up or down key it cycles through the list highlighting the focused suggestion (Just how google works). I currently have two problems.

First is I have a variable set to determine which position of the list should be highlighted. It should increment by 1 if the down key is pressed. However it increments by much more for some reason.

Second problem is I can't figure out how to keep the suggestion highlighted. It will only highlight when a key is pressed down.

Java Script

Code:

var suggestionPosition = 5;
function clickSearch(){
$("#searchBox").keyup(function(event){
if(event.keyCode == 13){

[Code]...

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Dec 31, 2010

I want to detect the double-press of the space key. However, I want a single press of a space key to have a different function. The double-tap of space should only count if the taps of space are no more than, say, a half second apart.

For example: The user hits space once, and javascript begins performing one action. 1/3rd of a second later, they hit the space bar again, and since that is within our threshold of 1/2 of a second, the action that began because the user hit the spacebar once should be cancelled, or undone (which I can write later) and the action when the user hits the spacebar twice should begin.

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Submitting Form On Key Press?

Mar 3, 2011

i am submitting a form in javascript and i want it to submit on key press submit, but it wont work. here is my code:

<script type='text/javascript'>
function login(evt){
if (evt){var keyCode = evt.which ? evt.which : evt.keyCode;}else{keyCode='';}
if ((evt == '')||(keyCode == 13)){

[Code]...

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Feb 9, 2010

Ive this line of code, which is a send button, but I'm trying to get a pop up message once I press it saying "are you sure you want to send" but where ever I put it in it doesnt work


Code:
<td colspan="1" align="right"><input type="button" value="Send Invoices »" onclick="document.checkmail.submit();"></td>

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Nov 1, 2011

how to create an increment once you press a button. It has to be kind of like this:

$i = 1;
if ("#button").click(function() {
add one to $i;
alert($i);
});

Every time you press the button, the value $i should increase by +1. So if I press the button 5 times that should give the value 6.

I think I have to use a loop or something but I don't know how.

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Mar 30, 2010

I am trying to submit form on press Enter but its does not work in IE8, works in chrome, and mozilla, I dont know what I made the mistake in my coding.

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Jun 25, 2009

I'm really new to Javascript, and really know basically nothing about it. What I want to do is press a skip button on a page, then wait for the next page to load completely before pressing the skip button. I want the script to stop after the first five skips, though. I plan on making this into a GreaseMonkey script for my own personal use, if that info is needed, too.

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Jul 10, 2009

I need to capture the delete key event onclick on DIV. I wrote the below code using jQuery.

$("#DIVID").keydown(function(event){ // delete key works with IE
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{
// delete code goes here
}

This is working fine in IE but not on Mozilla, Safari.

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Jul 2, 2010

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May 15, 2011

I'm trying to calculate value of balance by substract cash to total. But nothing happen.code...

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Feb 15, 2012

I created a simple validation using javascript alone.but my problem is when I press enter the browser aumatically refresh.. this is my code js code..

var validid=false;
var validname=false;
var validaddress=false;
var validzip=false;
var validemail=false;
function idiit()
{
[Code]....

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Aug 30, 2009

I have this script:

PHP Code:

<script type="text/javascript">
function move_nav_2(){
alert("im ok!");

[code]...

But cant work on IE neither Chrome.

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Does anyone know how to make a text-inputfield automatically fucused, so when you enter a page you can just start typing without moving the mouse and clicking on the textfield??

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Dec 31, 2010

prevent a textarea loosing focus when you press tab? And if yes, how to do this?

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Jun 15, 2009

I want to avoid user to press " and ' characters.What must i do in keyup event?

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Aug 31, 2009

How to detect whether a control key is pressed and released from the keyboard? "onkeydown" iam invoking the following function....and updating the flag "cntrl_key_pressed" to true and false accordingly.

[Code]...

how to identify that the control key is released from the keyboard, so that i can reset the flag (cntrl_key_pressed) to false.?

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Textarea Key Press Disables Dropdown Add In Firefox?

Aug 1, 2010

My script works ok in IE but not in firefox.Basically i have a dropdown list that onclick adds the values to a textarea field on same page. It works ok if you just select from the dropdown to begin.However as soon as you press a key with the cursor in focus of the textarea it disables the further addition from the dropdown.This doesn't happen in IE so it's probably a syntax error.'m new to all this and i search the internet to build the scripts by trial and error -this is my way of learning. Anyway here is the code;avascript:

function test(){
document.getElementById('taid').innerHTML+=document.getElementById
('selid').value;

[code]....

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I'm seeking some javascript code that I can use with a form button. When the button is pressed, some text is inserted into a textarea field....

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Oct 26, 2008

How can you capture a back-button move that points to an anchor.. So basically, the user enters the page, clicks on an anchor which brings him to another part of the page, clicks the back button. Now ideally when he hits the back button, I want to be able to call a javascript function from there.

Page loads --> user clicks anchor (#test) --> calls javascript function using onClick --> user presses back button --> ?? capture the back button move and call javascript function ??

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Disable Submit Form On Enter Key Press?

Mar 31, 2010

Wondering if there's a better way than what I'm doing to disable that when a user presses Enter, the form is submitted.

I'm catching the enter key onkeydown events. And it works fine on input boxes but I noticed that if a user selects something on a drop down menu and presses the enter key, the form is also submitted. As far as I know drop downs don't have an onkeypress event.

Is there a way to cancel form submission when the Enter key is pressed? Or any ideas how to catch this event on a drop down?

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