Get component From Point (Mouse) : Mouse Event « Event « JavaScript DHTML






  1. JavaScript DHTML
  2. Event
  3. Mouse Event

Get component From Point (Mouse)

  


/*
JavaScript Bible, Fourth Edition
by Danny Goodman 

John Wiley & Sons CopyRight 2001
*/

<HTML>
<HEAD>
<TITLE>componentFromPoint() Method</TITLE>
<SCRIPT LANGUAGE="JavaScript">
function whereInWorld(elem) {
    var x = event.clientX
    var y = event.clientY
    var component = document.all.myTextarea.componentFromPoint(x,y)
    if (window.event.srcElement == document.all.myTextarea) {
        if (component == "") {
            status = "mouseDown event occurred inside the element"
        } else {
            status = "mouseDown occurred on the element\'s " + component
        }
    } else {
        status = "mouseDown occurred " + component + " of the element"
    }
}
</SCRIPT>
</HEAD>
<BODY onMouseDown="whereInWorld()">
<H1>componentFromPoint() Method</H1>
<HR>
<P>Tracking the mouseDown event relative to the textarea object. View results in status bar.</P>
<FORM>
<TEXTAREA NAME="myTextarea" WRAP="off" COLS=12 ROWS=4>
This is Line 1
This is Line 2
This is Line 3
This is Line 4
This is Line 5
This is Line 6
</TEXTAREA>
</FORM>
</BODY>
</HTML>








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14. Using onDragEnter and onDragLeave Event Handlers
15.Using onMouseDown and onMouseUp Event Handlers
16.Dragging Elements with onMouseMove
17.Using the toElement and fromElement Properties
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19.Called from an onmousedown event handler
20.Mousedown event handler of an object within a Layer
21.Cursor Arrival and Departure
22.Use Mouse over action to transfer url location
23.Get mouse position with on mouse move event (IE)
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