"Can you explain the method by which reveal.js adjusts the size of

Question

"Can you explain the method by which reveal.js adjusts the size of

I have been exploring the resizing behavior of elements in reveal.js and trying to understand how they dynamically adjust.

If you resize the page height, you can observe that the elements shrink up to a certain extent along with the page. However, when inspecting with Chrome DevTools, I couldn't pinpoint exactly how this shrinking is being achieved - whether through CSS or JavaScript.

My curiosity stems from a desire to potentially enhance this functionality, but I found it surprisingly challenging to decipher its inner workings.

javascript html css reveal.js

Answer 1

Answer №1

Presentations are set up with a standard resolution, which is the original resolution at which the presentation was created. For now, this default setting is 960x700.

Using this resolution and its aspect ratio, the framework will use CSS 2D transforms to adjust your content to fit any screen size. There are various configuration options available to customize this process, including setting limits on how much the framework can scale your content.

Reveal.initialize({

    ...

    // The "standard" dimensions of the presentation, maintaining aspect ratio
    // when scaling for different resolutions. Can be defined in percentage units.
    width: 960,
    height: 700,

    // Proportion of display size left empty around the content
    margin: 0.1,

    // Limits on minimum/maximum scale applied to content
    minScale: 0.2,
    maxScale: 1.0

});

Answer 2

Presentations are set up with a standard resolution, which is the original resolution at which the presentation was created. For now, this default setting is 960x700.

Using this resolution and its aspect ratio, the framework will use CSS 2D transforms to adjust your content to fit any screen size. There are various configuration options available to customize this process, including setting limits on how much the framework can scale your content.

Reveal.initialize({

    ...

    // The "standard" dimensions of the presentation, maintaining aspect ratio
    // when scaling for different resolutions. Can be defined in percentage units.
    width: 960,
    height: 700,

    // Proportion of display size left empty around the content
    margin: 0.1,

    // Limits on minimum/maximum scale applied to content
    minScale: 0.2,
    maxScale: 1.0

});

Answer 3

Answer №2

Are you familiar with the concept of media queries? This innovative CSS technique allows you to adjust the appearance of elements based on the size of the window. If you want to see how it's implemented in reveal.js, check out this link https://github.com/hakimel/reveal.js/blob/master/css/reveal.css

@media screen and (max-width: 900px), (max-height: 600px) {
    .reveal .slides {
        font-size: 0.82em;
    }
}

@media screen and (max-width: 700px), (max-height: 400px) {
    .reveal .slides {
        font-size: 0.66em;
    }
}

Want to learn more? Check out these resources: MDN CSS Media Queries CSS Media Queries & Using Available Space | CSS-Tricks

Answer 4

Are you familiar with the concept of media queries? This innovative CSS technique allows you to adjust the appearance of elements based on the size of the window. If you want to see how it's implemented in reveal.js, check out this link https://github.com/hakimel/reveal.js/blob/master/css/reveal.css

@media screen and (max-width: 900px), (max-height: 600px) {
    .reveal .slides {
        font-size: 0.82em;
    }
}

@media screen and (max-width: 700px), (max-height: 400px) {
    .reveal .slides {
        font-size: 0.66em;
    }
}

Want to learn more? Check out these resources: MDN CSS Media Queries CSS Media Queries & Using Available Space | CSS-Tricks

Answer 5

Answer №3

If you take a peek at the code repository stored on github https://github.com/hakimel/reveal.js/blob/master/js/reveal.js you'll have a clear understanding of its functionality.

This code snippet is designed to detect browser CSS features such as 2D and 3D transforms.

// Check for support of CSS 3D transforms
supports3DTransforms = 'WebkitPerspective' in document.body.style ||
'MozPerspective' in document.body.style ||
'msPerspective' in document.body.style ||
'OPerspective' in document.body.style ||
'perspective' in document.body.style

It employs simple event listeners

// Ensure a layout when the entire page, including fonts, has finished loading
window.addEventListener( 'load', layout, false );
...
/**
* Attaches all event listeners.
*/
function addEventListeners() {

window.addEventListener( 'hashchange', onWindowHashChange, false );
window.addEventListener( 'resize', onWindowResize, false );
...

The source code contains helpful comments that can facilitate learning.

Answer 6

If you take a peek at the code repository stored on github https://github.com/hakimel/reveal.js/blob/master/js/reveal.js you'll have a clear understanding of its functionality.

This code snippet is designed to detect browser CSS features such as 2D and 3D transforms.

// Check for support of CSS 3D transforms
supports3DTransforms = 'WebkitPerspective' in document.body.style ||
'MozPerspective' in document.body.style ||
'msPerspective' in document.body.style ||
'OPerspective' in document.body.style ||
'perspective' in document.body.style

It employs simple event listeners

// Ensure a layout when the entire page, including fonts, has finished loading
window.addEventListener( 'load', layout, false );
...
/**
* Attaches all event listeners.
*/
function addEventListeners() {

window.addEventListener( 'hashchange', onWindowHashChange, false );
window.addEventListener( 'resize', onWindowResize, false );
...

The source code contains helpful comments that can facilitate learning.

Answer 7

Answer №4

The resizing functionality of complete slides on small widths in Reveal.js is managed through the use of the zoom property. This property dynamically adjusts its value as you resize the window, allowing for a smooth and responsive presentation experience.

Answer 8

The resizing functionality of complete slides on small widths in Reveal.js is managed through the use of the zoom property. This property dynamically adjusts its value as you resize the window, allowing for a smooth and responsive presentation experience.

"Can you explain the method by which reveal.js adjusts the size of

Answer №1

Answer №2

Answer №3

Answer №4

Similar questions

Having trouble accessing Vuex's getter property within a computed property

Using data from an API, I am implementing JavaScript validation for my dropdown select menu

Navigating in React: How to Implement the Same Route for Different Scenarios Without Compromising Your Application

Step by step guide on creating a CSS triangle shape in front of a span element

Display every even number within the keys of objects that have values ending with an odd number

Implementing real-time streaming communication between server and client with Node.js Express

Javascript recursive method for fetching data entries

What is the best method to set variables to zero using this array in JavaScript?

What is the process for choosing a category in the freebase search widget?

Please reset the form fields after the most recent edit

The chosen option does not equal the value retrieved by using jQuery's

What is causing the default switch to constantly loop in repetition?

Issue: Module '../utils/composeObjs' not found after global installation of generator-stencil

Creating sophisticated TypeScript AngularJS directive

Using Jest: A guide to utilizing a mocked class instance

Styling the Container Component in ReactJS

Practical steps for programmatically adding or removing md-disable-backdrop in md-sidenav

Storing information using ajax and json technologies

Issue in CakePHP after modifying the directory of Index

The process of altering a span label's class with JavaScript