Microsoft JScript runtime error: Object doesn't support this property or method

Question

I am writing a Web Application in ASP.NET using C#. Whenever I run it, I get three types of Runtime Javascript Errors.

My Problem is that even though I am running a new Web Application with out any modification, then I also get the same errors.

These are the errors:

Microsoft JScript runtime error: Object doesn't support this property or method at document.addEventListener("mousemove", updateLastMouseMoveCoordinates, false);
Microsoft JScript runtime error: Object expected at divSurveyInit();
Microsoft JScript runtime error: Object doesn't support this property or method at document.addEventListener("mousemove", updateLastMouseMoveCoordinates, false);

Errors 1 and 3 are identical. Copy/paste error?

Mat
– Mat

2011-03-08 06:33:07 +00:00
Commented Mar 8, 2011 at 6:33 — Mat
– Mat, Commented Mar 8, 2011 at 6:33

KooiInc · Accepted Answer · 2011-03-08 07:22:32Z

2

For IE versions < 9 you have to use the attachEvent method to add event listeners.

answered Mar 8, 2011 at 7:22

KooiInc

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Divi · Accepted Answer · 2014-07-12 05:47:12Z

1

You can use attachEvent or addEventListener in an if...else for different versions of IE and/or cross browsers like this or similar:

if (document.addEventListener){
        document.addEventListener('mousemove', changeState, true);
        document.addEventListener('mouseout', stopScrollingIfOutsideWindow, true);
        document.addEventListener('mousedown', markMouseDown, true);
        document.addEventListener('mouseup', unmarkMouseDown, true);
} else if (document.attachEvent){
        document.attachEvent('onmousemove', changeState);
        document.attachEvent('onmouseout', stopScrollingIfOutsideWindow);
        document.attachEvent('onmousedown', markMouseDown);
        document.attachEvent('onmouseup', unmarkMouseDown);
}

edited Jul 12, 2014 at 5:47

answered Mar 8, 2011 at 6:37

Divi

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