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Learning PHP, MySQL, JavaScript, and CSS, 2nd Edition
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Learning PHP, MySQL, JavaScript, and CSS, 2nd Edition

by Robin Nixon
August 2012
Beginner
583 pages
16h 1m
English
O'Reilly Media, Inc.
Content preview from Learning PHP, MySQL, JavaScript, and CSS, 2nd Edition

Functions

As with PHP, JavaScript functions are used to separate out sections of code that perform a particular task. To create a function, declare it in the manner shown in Example 13-5.

Example 13-5. A simple function declaration
<script>
function product(a, b)
{
    return a*b
}
</script>

This function takes the two parameters passed, multiplies them together, and returns the product.

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Publisher Resources

ISBN: 9781449337452Errata Page