Add external js drupal 7 drupal_add_js

There are a variety of ways to develop with React. In my case, I'm not building an exclusive React. I'm creating a page or app on an existing Drupal site. Drupal is providing the data, and React handling the UI.

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Content:

• Inline JavaScript in Drupal 8
• using drupal_add_js in php code drupal 7
• Google Analytics Event Tracking in Drupal 7 (Hooks & OnClick)
• SitePoint Forums | Web Development & Design Community
• Inline Javascript throws an error on drupal_add_js() within an AJAX callback
• Drupal 7 Adding Javascript and CSS file
• Arvixe Blog
• How to programmatically create a simple popup block in drupal?
• PHP drupal_add_js Examples
• We Removed jQuery

Inline JavaScript in Drupal 8

But we reviewed one of our Drupal 7 sites that integrates Optimizely with the contributed module, we made a rather startling discovery: Yikes! The data brings up a larger question. How can we integrate Optimizely in a Drupal 7 site without degrading performance or user experience? Here are the best practices we came up with.

The first step is to add Optimizely javascript to the pages involved in the test. This will add some time to the page execution—enough that it will be noticeable to end users. According to the article :. But if the page has already loaded content that the visitor sees before the Optimizely snippet loads, the original version of the page may load before being transformed into the variation by Optimizely.

This is known as "page flashing. But to avoid any potential problems we strongly encourage you to add the snippet as early in the execution path as possible. Knowledgebase recommends the Optimizely module. Full respect to the developers who contributed this module.

It has a convenient UI for inputting all paths to add the snippet,and it's still very useful for small-to-medium sites. But why does it consume so much memory on large sites? It's a good idea to understand how these functions work—and how we can write more efficient PHP to accomplish the same task.

If you have 50 paths to check, that's at least queries on every page load. Again, if we have a big long list of paths to check, that adds up. So, if there are potential pitfalls with implementing Optimizely in this way, how can we do better with Drupal API?

Here are a few pointers:. After diving into the code implementing Optimizely, we learned a whole lot about PHP performance and writing efficient code! This isn't a comprehensive discussion by any means, but if you're implementing Optimizely on a Drupal 7 site with Panels, here are the main takeaways:. Following these suggestions will help your website perform better, and shift the performance overhead for Optimizely tests where it should be—on the test page itself.

The Optimizely snippet The first step is to add Optimizely javascript to the pages involved in the test. According to the article : "If the snippet is added anywhere lower, it will technically still work. So how do you implement it?

using drupal_add_js in php code drupal 7

I often see posts on the drupal. It seems common that users try to attach JQuery right within page. In other words, it's hard-coding a script into a page and it's not ideal. Some try to render it using the PHP filter within a block or node. The disadvantages of these methods are that code added like this cannot be included in any caching or aggregation methods and can also cause conflicts that would be tricky to troubleshoot. For best Drupal theming practices, I have outlined some methods below. There are a few methods that work well for adding additional custom JQuery scripts to Drupal 7 and some of this depends on the use case.

Google Analytics Event Tracking in Drupal 7 (Hooks & OnClick)

Drupal 7 comes packed with functionality but what do you do when you want to implement some of those incredible visual elements that you see across the web? Cover flow like image galleries, fade animations, sliding page elements, smooth scrolling and other dynamic presentation effects can help push your site design to a whole other level. Fortunately, Drupal 7 comes loaded with an answer in jQuery. While Drupal 7 ships with jQuery 1. When you add new JavaScript files to Drupal, you'll need to tell Drupal where to find them. There are several options but perhaps the simplest is to add a line to your theme's. Note that loading the file in this way will make the JavaScript load on every page of your site. Another method which will give you more options is to add your JavaScript via your theme's template.

SitePoint Forums | Web Development & Design Community

If you prefer watching videos, here is the screencast version of this series. In this chapter of the series we are going to make our module work by adding correctly css and javascript files that its need to show up the button when the user scroll down. It is typically used to set up global parameters that are needed later in the request. When this hook is called, the theme and all modules are already loaded in memory. It will look as such:.

Inline Javascript throws an error on drupal_add_js() within an AJAX callback

You should always place your custom variables in your own "lunch box", that way you don't pollute the Drupal. Skip to main content. Tyler Frankenstein. Search form Search. Error message The spam filter installed on this site is currently unavailable.

Drupal 7 Adding Javascript and CSS file

Drupal Career Online Calendar. Edit: you can also use ctools. Is there too much text on your page? Do you need to allow users to un-clutter an interface, or hide some of the interface until your users need it? Don't go and grab any extra JavaScript, Drupal can do collapsible fieldsets out of the box! You might think collapse. This file is currently only included when a Drupal form has a fieldset in it.

Arvixe Blog

Theming Drupal 7 Overview of theme files Writing theme. In addition to custom JavaScript files many Drupal developers find jQuery useful. Drupal 7 includes jQuery 1. Drupal 6.

How to programmatically create a simple popup block in drupal?

In One of the project when i had been asked to display a custom error message to the User login page, when user tried with 3 or more failed attempt. What if we want to include that error message to be displayed on specific position. Under that custom form validation by checking the user login count, calling an js to the user page. Sleek and simple way to do the JS. This method is used by most of the developer.

PHP drupal_add_js Examples

We're a place where coders share, stay up-to-date and grow their careers. Each item had a few properties to determine where on the page it appeared, and what order relative to other items e. If you think you really need some inline JavaScript it's still possible to add it to a page in a few ways, depending on your needs. If the snippet is static code, and any of it's configuration is included in the snippet and doesn't change based on the page content, it can just be placed in an external file added to the page via the Libraries API. The code will then be aggregated with the page's other JS. When data needs to be passed from PHP to JS the best solution is to refactor the snippet to work as an external file that uses data provided by drupalSettings.

We Removed jQuery

The inclusion of jQuery in a custom Drupal theme seems to cause a lot of confusion to people new to Drupal. There is, of course, a proper way of doing it and it's not that difficult once you know how. Drupal 7 comes packaged with both jQuery and jQuery UI. It uses these two JavaScript libraries to drive parts of its own user interfaces like the admin overlay screens and improvements to content tables etc..