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Example 5.12:
Operator Precedence


Click this button to see the value in the nTotal1 variable:

Now click on this button to see the value in the nTotal2 variable, which uses a different operator precedence:




This is the script we used. First we placed this in the HEAD: <SCRIPT LANGUAGE="JAVASCRIPT"> <!-- var nCostPerItem = 100 var nNumItems = 5 var nTaxPerItem = 10 var nTotal1 = nCostPerItem * nNumItems + nTaxPerItem * nNumItems var nTotal2 = nCostPerItem * (nNumItems + nTaxPerItem * nNumItems) //--> </SCRIPT> Then we created these buttons: <form> <input type="button" name="VariableButton" value="nTotal1: nCostPerItem * nNumItems + nTaxPerItem * nNumItems" onclick="alert(nTotal1)"><P> <input type="button" name="VariableButton" value="nTotal2: nCostPerItem * (nNumItems + nTaxPerItem * nNumItems)" onclick="alert(nTotal2)"><br> </form>
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