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Example 5.7:
Decrementing Variable Values
Click this button to see the value in the nY variable, the result of decrementing the value using the decrement operator:
This is the script we used. First we placed this in the HEAD:
<![CDATA[
<SCRIPT LANGUAGE="JAVASCRIPT">
<!--
var nX = 0
var nY = 6
nY--
//-->
</SCRIPT>
]]>
Then we created this button:
<![CDATA[
<form>
<input type="button" name="VariableButton" value="The result of the calculation" onclick="alert(nY)">
</form>
]]>
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