The Book of JavaScript, 2nd Edition

Using Pull-Down Menus as Navigational Tools

Now you're ready to create a navigational pull-down menu like the one Doctors Without Borders uses, shown in Figure 7-2. Figure 7-26 shows you what such a tool typically looks like, and Figure 7-27 gives you the script.

Figure 7-26. A simple navigation tool

You should understand most of the script in Figure 7-27 by now. The onChange in ❶ is the only tricky part (remember that <select> tags take the onChange event). When the onChange happens, it calls the function visitSite(), which receives this.value.

Figure 7-27. Using ...