Linked 2. Contributors to this page: Chances are they have and don't get it.
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The above is perfectly valid JSON. Functions are custom code defined by programmers that are reusable, and can therefore make your programs more modular and efficient.
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Below is the sample JSON. We have wrapped the code in an event handler that runs when the load event fires on the request object see onload — this is because the load event fires when the response has successfully returned; doing it this way guarantees that request.
Ask a Question. For our sammy variable above, using square bracket syntax in an alert function looks like this:. Creation of an empty Object: OK Paste as.
This example shows how to create the JSON object array message: We'll also go over three different ways to write code to handle events, and a few of the most common events.