Trying Programs
When you want to run the code shown in this book and play with it, one possibility is to go to http://eloquentjavascript.net/ and use the tools provided there.
Another approach is to simply create an HTML file containing the program and load it in your browser. For example, you could create a file called test.html with the following content:
<html><body><script type="text/javascript">
var total = 0, count = 1;
while (count <= 10) {
total += count;
count += 1;
}
document.write(total);
</script></body></html>Later chapters will tell you a little more about HTML and the way a browser interprets
it. Note that the operation print in the example has been replaced with
document.write. We will see how to create the print
function in Chapter 10 ...
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