Changing the Contents of a div
The contents of a div can be changed by setting the div's innerHTML property. As the name of the property implies, innerHTML is the HTML inside a div. For example, Figure 13-11 shows a web page with a brainteaser—find all the Fs in the text.
In the HTML, the block of text is contained in a div. Clicking on the link makes the Fs bigger by replacing the contents of the div with a string of HTML that displays the same text, but with larger Fs. Figure 13-12 shows the code.
The JavaScript in Figure 13-12 should look very familiar to you by now. Line ❸ creates a div called myDiv, ❶ sets the variable theDiv to point to myDiv, and ❷ changes the innerHTML of that div to a new string containing a block of HTML. Changing the ...
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