Pass Values to a SWF with JavaScript and SWFObject – Basix

SWFObject provides a simple way to pass values to a SWF using only JavaScript: no server-side code required! In this tutorial, we’ll build a fundraiser meter that can easily be updated with the amount donated so far, without needing to recompile the SWF.

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Final Result Preview

View the source of the demo and you’ll see that the target and current donation amounts are defined in JavaScript.

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Section 1: What’s SWFObject? Why Use It?

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Section 2: Set Up the Fundraiser SWF and Get to Grips with SWFObject

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Section 3: Additional Functionality and Polish

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Non-IDE: Relevant Code in Plain Text

If you’re not using the Flash IDE, here’s the relevant code in copy-and-pastable plain text:

if (root.loaderInfo.parameters["goal"] != null)
{
	goal = Number(root.loaderInfo.parameters["goal"]);
	actual= Number(root.loaderInfo.parameters["actual"]);
}
else
{
	// if can't access values in page
	goal = 100;
	actual = 50
}

The tutorial videos explain how to hook these up to a JavaScript object in the page.