- Javascript scratchpad mozilla calendar problem code#
- Javascript scratchpad mozilla calendar problem series#
Note that Scratchpad script runs in the sameĬontext as a script loaded into the page. The following screencast illustrates some of the features of the Scratchpad.
Javascript scratchpad mozilla calendar problem code#
Several run options are available to allow a developer to just execute the code, execute the code and inspect the returned object, or execute the code and print out the results as a comment within the Scratchpad. These changes can then be attached and saved with the current application.Įxternal JavaScript files can also be loaded and tested. In addition, complete functions can be written and tested in the editor within the scope of the live page. Using the Scratchpad, a developer can access the current page’s objects, variables and script. The Scratchpad has many uses and is essentially a live JavaScript editor and prototyping tool.
The following screencast presents an overview of the Style Editor’s features.įor more detailed information on the Style Editor take a look at the MDN documentation. The Style Editor is also linked to the Inspector allowing developers quick access to the stylesheet for the inspected element. In addition you can also import existing stylesheets and apply them to the current page or individually disable specific stylesheets. The Style Editor allows saving the changes made while using the editor. If you are not familiar with Cascading Style Sheets (CSS), please be sure to take a look at the CSS MDN documentation. Changes made in the style editor are automatically reflected in the loaded page. The Style Editor is primarily used to edit, debug or create new stylesheets within the context of the current app.
In this post we briefly cover the Scratchpad and the Style editor.Īs with the first post, we present each tool with a quick screencast demonstrating some of their capabilities. While these two tools are powerful and provide capabilities to interrogate and alter your web applications, additional tools are available to further enhance the developer experience while building and debugging your apps.
Javascript scratchpad mozilla calendar problem series#
In the first post in the series we discussed the Web Console and the JavaScript Debugger. The intention is to show you all the possibilities available, the progress and what we are aiming for. The HTML template element contains your component’s HTML.This is part two, out of five, focusing on the built-in Developer Tools in Firefox, their features and where we are now with them. html, such as m圜omponent.html.Ĭreate the HTML for a Lightning web component declaratively, within the tag. The HTML file follows the naming convention. Lightning Web Component HTML File:Įvery UI component must have an HTML file with the root tag. Lightning Web Component has the following folder structure as shown in the below diagram. Encapsulating the DOM gives developers the ability to share a component and protect the component from being manipulated by any other HTML, CSS, and JavaScript Lightning Web Component Folder Structure: Just to summarize Shadow DOM is a way to create a component-local DOM. Shadow DOM:īefore proceeding further please get yourself familiar with the concept of shadow DOM by reading – Īssuming you have read by now about shadow DOM and know about it. If you inspect a page containing LWC components you will be seeing their tags only as they are custom HTML elements.
If you inspect a page containing aura components you will be seeing that aura components tags were translated back to native HTML tags. LWC is lightweight and has amazing performance. If you wanted to know about custom HTML elements then here is a great article to read about it – LWC Performance: To admins and end users, they both appear as Lightning components. Lightning web components and Aura components can coexist and interoperate on a page. Lightning web components are custom HTML elements built using HTML and modern JavaScript. Now with the introduction of LWC, we are again going to see a much better and optimized way to design and build user interfaces on Salesforce. Initially, we used to have visual force pages for developing user interfaces in the classic mode then we got aura component to developing user interfaces for the Lightning Experience. Well, Salesforce keeps on evolving to a better version and in this pursuit, they keep on innovating and bringing awesome and optimized things to the table. We had aura component to develop applications for lightning experience and it was solving the requirements so why do salesforce introduce LWC i.e.
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