📄 p535_lineapp.html
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<HTML>
<HEAD>
<SCRIPT>
var pressCount = 0;
var initX = 199;
var maxY = 299;
function drawIt()
{
pressCount++;
var sX = initX - (pressCount * 2);
var eX = initX + (pressCount * 2);
document.applets[0].drawLine(sX, 0, eX, maxY, 0);
document.applets[0].drawLine(sX, maxY, eX, 0, 0);
}
</SCRIPT>
</HEAD>
<BODY>
<FORM NAME="myForm">
<INPUT NAME="myBut1" TYPE="button" VALUE="Draw Line" onclick="drawIt()">
<INPUT TYPE="button" VALUE="Clear It" ONCLICK="pressCount=0;myApp.clearAll()">
</form>
<APPLET NAME="myApp" CODE="LineApp.class" HEIGHT=300 WIDTH=400></APPLET>
</BODY>
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