Javascript Message Box Example


Chapter 1, The Message Box

This is a very simple script. It opens up an alert message box which
displays whatever is typed in the form box below.

Type something in the box. Then click “Show Me”


HOW IT’S CODED

Here’s the entire page, minus my comments. Take a few minutes to learn as much
as you can from this, then I’ll break it down into smaller pieces.

<HTML>

<HEAD>

<SCRIPT LANGUAGE=”JavaScript”>

<!– Beginning of JavaScript –

function MsgBox (textstring) {

alert (textstring) }

// – End of JavaScript – –>

</SCRIPT>

</HEAD>

 

<BODY>

<FORM>

<INPUT NAME=”text1″ TYPE=Text>

<INPUT NAME=”submit” TYPE=Button VALUE=”Show Me” onClick=”MsgBox(form.text1.value)“>

</FORM>

</BODY>

</HTML>

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