|
/*
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>
|