Javascript Functions To Find Mouse Coordinates?

Mar 20, 2006

Are there javascript functions to find the cursor position of a mouse? Also, are there javascript functions to find if the mouse cursor is within a listbox? A C# code sample is shown below:

Listbox lb; //lb is a listbox
Point cpos = lb.PointToClient(Cursor.Position); //find coordinates of mouse
if(lb.ClientRectangle.Contains(cpos)) //if mouse cursor is within the listbox

Are there any javascript functions which can do the same as the above c# methods?

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Jun 13, 2009

I am trying to capture the mouse coordinates of a mouse down to a variable.Then on the mouse move event capture mouse coordinates again and compare the two in order to produce a difference that will ultimately trim an element.how to use these two functions to capture the coordinates into these two varibles.

function mouseX(evt){
if (evt.pageX) return evt.pageX;
else if (evt.clientX)[code].....

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here is my code :

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[Code]....

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I've been having an issue with Safari when it comes to getting mouse coordinates after clicking on an element - specifically the Y coordinate. For some reason, the 0 position is the bottom left corner of the window. The further down the page, the lower the number gets. This is crazy behavior - I have this stupid thing working in every other browser, but Safari.

My script is modeled after the standard Quirksmode script:

function doSomething(e)
{
var posx = 0;
var posy = 0;
if (!e) var e = window.event;
if (e.pageX || e.pageY)
{
posx = e.pageX;
posy = e.pageY;
}
else if (e.clientX || e.clientY)
{
posx = e.clientX + document.body.scrollLeft;
posy = e.clientY + document.body.scrollTop;
}
// posx and posy contain the mouse position relative to the document
// Do something with this information
alert(posy);
}

My test HTML is like so:

<br><br><br><br><br><br><br><br>
<input type="checkbox"
<br><br><br><br><br><br><br><br>
<input type="checkbox"

Any help?

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Here's the live page: [URL]

Here's my javascript:

Code:
var cX = 0; var cY = 0; var rX = 0; var rY = 0;
function UpdateCursorPosition(e){ cX = e.pageX; cY = e.pageY;}
function UpdateCursorPositionDocAll(e){ cX = event.clientX; cY = event.clientY;}
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[Code]....

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Now, the code I have now works perfectly fine, as advertised, but I had a bit of a hack with my mouse coordinates. The program is a simple one that creates an image at the spot where the user clicks.

<script type="text/javascript">
var zombies = 0;
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/*This is me offsetting my co-ordinates. The image is 200px x 200px, so I shouldn't have to offset it by that much to fix it.*/
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That's my script, and this is all I have in the html:
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Code:

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Code:

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