$ npm install typescript -g //Install typescript $ cd project_root //Go to project's root folder $ tsc --init //Create tsconfig.json in project's root folder 将创建默认的tsconfig.json。{ "compilerOptions":{ "target":"es6", "moduleResolution":"node", "module":"commonjs", "declarati...
1. Don't use pictures to upload code. The communities currently discussing basically support Markdown syntax. It takes a little time to learn how to paste the code, so that the answerer can also directly copy the code to their own environment to run and reproduce quickly. /Locate the prob...
In programming, there will be many occasions in which you will want different blocks of code to run depending on user input or other factors. As an example, you might want a form to submit if each field is filled out properly, but you might want to prevent that form from submitting if ...
Since this demo is running in CodePen, we'll also add a few text inputs to capture the Ingest endpoint and Stream key that is required to configure the broadcast client. We'll need a button to start the broadcast, so we'll add that below the text inputs. To handle layout and ...
I would like to animate my logo. I have used Inkscape to generate three letters in outline style, and I would like to animate not only all three letters as one object, but also I would like to animate the separate lines of each character in the logo, mov
You can use this for any “cleanup” you need to do.For old timers, this is like componentWillUnmountuseEffect() can be called multiple times, which is nice to separate unrelated logic.Since the useEffect() functions are run on every subsequent re-render/update, we can tell React to skip...
pen()is the painting tool we use to paint on the canvas. It gets called via thedraw()function. Initializing our canvas with setup() Thesetup()functionis where we'll create our canvas and do any initialization tasks. This is also where you'd put any code that only needs to run once ...
Pure JavaScript Codepen- A demo player built using pure JavaScript. Webpack build configuration- Demonstrates how to make player assets available via Webpack. Please see each sample for detailed code comments. Live Demo Try out this repo inCodeSandbox. You can build, run, and experiment with ou...
If you decide to generate your canvas fingerprint, you must write JavaScript as you want the canvas operations to run in your user’s browser. The following code will generate a canvas fingerprint: <b>Hash:</b> <span id="hash-code"></span> <br /> <canvas id="myCanvas" width="200...
In this post I will be taking advantage ofa codepen generator I created for the Divi Community. What this code generator does is compile the code from a given codepen and export a single block of code that will run properly inside the Divi Code Module. ...