Adding JS to a Specific Page

If your landing page is your front page, in $variables, you have a key named is_front. You can use that to see if you are currently on the home page and add your JS if the value is true.

function bartik_preprocess_html(&$variables) {
  if ($variables['is_front']) {
    drupal_add_js(...);
  }
}

If it's not your front page, you can set the theme_debug setting to TRUE in your settings.php to identify the name of a custom template file that you can use. Just duplicate page.tpl.php and add your custom js in the head or in the footer. Example of my front page when I use theme_debug (html commments) :

<!-- THEME DEBUG -->
<!-- CALL: theme('page') -->
<!-- FILE NAME SUGGESTIONS:
   * page--front.tpl.php
   * page--node--1.tpl.php
   * page--node--%.tpl.php
   * page--node.tpl.php
   x page.tpl.php
-->
<!-- BEGIN OUTPUT from 'themes/bartik/templates/page.tpl.php' -->

I can clone page.tpl.php to page--node--1.tpl.php to have my specific JS included for that page only.

If you want to avoid messing with the template files entirely, a neat alternative is to put your JS code in a central JS file that's always available (such as in a custom module). Then wrap the JS functions in question with a test to see if you're on that page. My favorite jQuery way to do it is this:

if ($('.node-1234').length > 0) {
  // functions here
}

You can replace '.node-1234' with any style or ID that you know is present on that page but no others. Using a style with an NID is not always the best idea, as ID numbers can change if you transplant your implementation, so check the code. There's probably a view or some other element unique to that page that you can test for. If your page is the front page, you should have .page-front as a possibility, for example.

Depending on your situation it can be an option to:

• enable node embed
• create a new text format (admin/config/content/formats/add) that does not have any filters and is only available to your administrator role
• create a new node containing your JavaScript, using the "unfiltered" format, then embed this node wherever you need the JavaScript

This worked well for me, when I needed to add a short JavaScript snippet to some pages.