/*
JavaScript Bible, Fourth Edition
by Danny Goodman
Publisher: John Wiley & Sons CopyRight 2001
ISBN: 0764533428
*/
<HTML>
<HEAD>
<TITLE>Array.reverse()</TITLE>
<SCRIPT LANGUAGE="JavaScript1.1">
solarSys = new Array(9)
solarSys[0] = "Mercury"
solarSys[1] = "Venus"
solarSys[2] = "Earth"
solarSys[3] = "Mars"
solarSys[4] = "Jupiter"
solarSys[5] = "Saturn"
solarSys[6] = "Uranus"
solarSys[7] = "Neptune"
solarSys[8] = "Pluto"
// show array as currently in memory
function showAsIs(form) {
var delimiter = form.delim.value
form.output.value = unescape(solarSys.join(delimiter))
}
// reverse array order, then display as string
function reverseIt(form) {
var delimiter = form.delim.value
solarSys.reverse() // reverses original array
form.output.value = unescape(solarSys.join(delimiter))
}
</SCRIPT>
<BODY>
<H2>Reversing array element order</H2>
This document contains an array of planets in our solar system.<HR>
<FORM>
Enter a string to act as a delimiter between entries:
<INPUT TYPE="text" NAME="delim" VALUE="," SIZE=5><P>
<INPUT TYPE="button" VALUE="Array as-is" onClick="showAsIs(this.form)">
<INPUT TYPE="button" VALUE="Reverse the array" onClick="reverseIt(this.form)">
<INPUT TYPE="reset">
<INPUT TYPE="button" VALUE="Reload" onClick="self.location.reload()">
<TEXTAREA NAME="output" ROWS=4 COLS=60>
</TEXTAREA>
</FORM>
</BODY>
</HTML>
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