HTML and CSS Reference
In-Depth Information
You now have the basic page structure out of the way, so let's delve into the JavaScript
APIs that will make it all work.
Step 2: Build multipurpose business logic in JavaScript to create- e and update plans
A key advantage of having the server use the same programming language as the client is
that they can share code. Instead of implementing the same functionality once in the server-
side language and then again in JavaScript, implement it only one time.
Figure 4.9
shows
how this works.
