Separate HTML for GLOBAL Foil 10 Example of Clicking on a Form

HELP! * YELLOW=global GREY=local Global HTML version of Foils prepared 21 February 97

Foil 10 Example of Clicking on a Form - I

From Feb 12 Delivered Lecture for Course CPS616 -- Basic JavaScript Functionalities and Examples CPS616 spring 1997 -- Feb 12 1997. by Geoffrey Fox * Critical Information in IMAGE

Secs 152.6

Addon

<HTML><HEAD><TITLE>Javascript with Forms</TITLE>

<SCRIPT LANGUAGE="JavaScript" >

<!-- A Conventional comment to hide JavaScript from old browsers

function compute(form) {

if( confirm("Is this what you want?"))

form.result.value = eval(form.expr.value);

else alert("Enter a new expression then!"); }

//scriptend-->

</SCRIPT></HEAD>

<BODY><FORM>

Enter An Expression:

<INPUT TYPE="text" NAME="expr" SIZE=15>

<INPUT TYPE="button" VALUE="DoIt!" ONCLICK="compute(this.form)">

<BR>Result:

<INPUT TYPE="text" NAME="result" SIZE=15>

<BR>

</FORM></BODY></HTML>

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Page produced by wwwfoil on Fri Feb 21 1997