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1. www.w3schools.com › csS › css3_buttonsCSS Buttons - W3Schools

   www.w3schools.com › csS › css3_buttons

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   Disabled Buttons. Normal Button. Disabled Button. Use the opacity property to add transparency to a button (creates a "disabled" look). Tip: You can also add the cursor property with a value of "not-allowed", which will display a "no parking sign" when you mouse over the button:

   • CSS Text

     CSS Text - CSS Buttons - W3Schools

   • Background Color

     You learned from our CSS Colors Chapter, that you can use...

   • CSS Position

     position: fixed; An element with position: fixed; is...

   • CSS Syntax

     p is a selector in CSS (it points to the HTML element you...

   • Borders

     CSS Border Style. The border-style property specifies what...

   • Margins

     Margins - CSS Buttons - W3Schools

   • Grid Intro

     Property Description; column-gap: Specifies the gap between...

   • CSS Selectors

     CSS Selectors. CSS selectors are used to "find" (or select)...

2. stackoverflow.com › questions › 55147410HTML + Javascript Button click again to undo - Stack Overflow

   stackoverflow.com › questions › 55147410

   Mar 14, 2019 · In my scenario just simple formatting of Text (Color,size etc), when you first click it, it formats the text as described in Javascript, but I would like to add a function, that when you click it again, that it undoes that. `<script>. function myFunction(){. document.getElementById("demo").style.fontsize="25px";

3. dev.to › chromiumdev › -native-undo--redo-for-the↩️ Native Undo & Redo for the Web - DEV Community

   dev.to › chromiumdev › -native-undo--redo-for-the

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   If you're building an interactive app-like experience for the web, you should aim to provide as many built-in UX flows as possible, so that your users can be productive. These might include supporting the ESC key, the browser's inbuilt navigation buttons, drag and drop, or even native sharing via the Web Share API—all idioms that even less savvy te...

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   Under the hood, the maze above is actually modifying a text field—as a user would—and watching to see if it's value changes back to a previously recorded state. What does that mean? 1. As we make changes (the blue boxes above), we secretly do update a 'hidden' text field with a new number, which is an index into an array recording the position of t...

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   Let's plan out the flows. When the user uses their keyboard, we handle the event—both updating the maze and pushing a new state. And when the user performs undo or redo, we detect the change and restore the maze to whatever previous state we expect. Ok! Let's build it.

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   Keen observers might note that this is a very similar model to the History API, which uses history.pushState and window.onpopstate. The onpopstate method is actually badly named—it is called whether the state is popped (the Back button) or pushed (the Forward action). The analogy in using native undo/redo is where we listen to the inputevent of our...

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   Thanks for reading! As I mentioned above, I've turned this knowledge into a class you can use in your own apps, but hopefully the idioms above are simple enough to apply directly within your own code too. Check the 'undoer' package out here ⤵️💻. Ask me questions here or find me on Twitter.

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4. medium.com › fbbd › intro-to-writing-undo-redoIntro to Writing Undo/Redo Systems in JavaScript - Medium

   medium.com › fbbd › intro-to-writing-undo-redo

   Sep 19, 2020 · In the case of an undo/redo system, a command should be an object that at the very least contains two methods: execute and undo. As the names imply, execute performs an action on the data, and ...

5. codepen.io › tororoi › penUndo Button - CodePen

   codepen.io › tororoi › pen

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   You can apply CSS to your Pen from any stylesheet on the web. Just put a URL to it here and we'll apply it, in the order you have them, before the CSS in the Pen itself. You can also link to another Pen here (use the .css URL Extension) and we'll pull the CSS from that Pen and include it.

6. aarondeobell.com › css › css-unset-as-an-undo-buttonI see CSS's `unset` as an undo button (CSS #0)

   aarondeobell.com › css › css-unset-as-an-undo-button

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   Apr 2, 2021 · unset: the undo button. Of the four inheritance properties… initial, inherit, unset, and revert …. I see unset as an “undo” button. Let’s say you didn’t do anything to border-color. It’s default value is initial. And lets say you didn’t do anything to font-size. It’s default value is unset. Now you have a class called “unset”.

7. People also ask

   What is an undo/redo command?

   • In the case of an undo/redo system, a command should be an object that at the very least contains two methods: execute and undo. As the names imply, execute performs an action on the data, and undo restores it to its previous state. Let’s see what increment might look like when implemented as a command:

   Intro to Writing Undo/Redo Systems in JavaScript - Medium

   medium.com/fbbd/intro-to-writing-undo-redo-systems-in-javascript-af17148a852b

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   Can we add an undo function?

   • It’s easy to understand what it’s doing, and it has state data that is subject to change. Let’s see if we can add an undo function to it! The easiest way we could implement undo operations would be to keep track of the counter’s value whenever it changes, and add it to a “history” array that we can use to revisit previous states.

   Intro to Writing Undo/Redo Systems in JavaScript - Medium

   medium.com/fbbd/intro-to-writing-undo-redo-systems-in-javascript-af17148a852b

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   How do custom undo & redo work?

   • Many examples of custom undo & redo on the web use keydown handlers to detect whether the user is entering Ctrl/Cmd-Z, and performing a special action. This usually works but has two challenges: These two reasons are fundamentally why it's worth making the browser work for us—through our 'hidden' input.

   ↩️ Native Undo & Redo for the Web - DEV Community

   dev.to/chromiumdev/-native-undo--redo-for-the-web-3fl3

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   What is the difference between UNDO and redo?

   • As mentioned earlier, undo and redo are very similar to the previous example, but now that we’re dealing with a history of commands, undo runs the command’s undo (and redo runs execute) to update the object’s state. Now that we’ve got all the pieces of the puzzle together, let’s try out some driver code and see it all in action!

   Intro to Writing Undo/Redo Systems in JavaScript - Medium

   medium.com/fbbd/intro-to-writing-undo-redo-systems-in-javascript-af17148a852b

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   How do I undo a maze?

   • First, a demo! Click/focus the maze, and navigate with your arrow keys (or use the buttons). Most importantly, be sure to try Undo and Redo to go back and forward. There are a few ways to Undo—you probably tried Ctrl/Cmd-Z, but you can also use your browser's Undo menu item or right click on the page.

   ↩️ Native Undo & Redo for the Web - DEV Community

   dev.to/chromiumdev/-native-undo--redo-for-the-web-3fl3

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   What is native undo/redo?

   • The analogy in using native undo/redo is where we listen to the input event of our 'hidden' text input. This approach to undo and redo can be extended to work on text fields or elements which generate their own undo events. Why would you want to do this?

   ↩️ Native Undo & Redo for the Web - DEV Community

   dev.to/chromiumdev/-native-undo--redo-for-the-web-3fl3

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8. www.freecodecamp.org › news › a-quick-guide-toCSS Button Tutorial – How to Styling HTML Buttons with CSS

   www.freecodecamp.org › news › a-quick-guide-to

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   Feb 13, 2018 · By Ashwini Sheshagiri Buttons have become an inevitable part of front end development. Thus, it is important to keep in mind a few things before you start styling buttons. I have gathered some of the ways of styling buttons using CSS. A simple “Get ...