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Chapter 6. Frames, Frames, and More Frames > Browser Detection with Frames

Browser Detection with Frames

Another handy way to use frames is to detect browser versions and capabilities. In this example, visitors get stopped at the entrance if they don't have a JavaScript-capable browser. Figure 6.14 shows the site for those who qualify, and Figure 6.15 shows the warning.

Figure 6.14. You've passed the test—welcome to our site!



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