You can do the same with a for..in loop to iterate on an object:const fun = (prop) => { return new Promise(resolve => { setTimeout(() => resolve(`done ${prop}`), 1000); }) } const go = async () => { const obj = { a: 1, b: 2, c: 3 }; for (const prop in...
In the next example we use the forEach method to loop over a map. foreach2.js let stones = new Map([[1, "garnet"], [2, "topaz"], [3, "opal"], [4, "amethyst"]]); stones.forEach((k, v) => { console.log(`${k}: ${v}`); }); ...
You can use a for loop in React using the map() method on the array. The for loop allows you to repeat a code block for a specific number of times.
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As a workaround, what I now do is wrapping this code in a function (select(id)) and change the html class document.getElementById(`ligne_${id}`).classList.add('border-b-2') That seems verbose. How to do this, leveraging on the :key or the v-for loop? javascript vue.js vue...
To create a Vue.js app, use the following command in the terminal.vue create forloopdemo JavaScript CopyNow install bootstrap in the project.npm install bootstrap JavaScript CopyThen, open the main.js file with your code editor. Import bootstrap.import 'bootstrap/dist/css/bootstrap.css' ...
That way, we won’t need to write a lot of repetitive markup, and we can add and remove questions easily.In this example, we’ll be structuring our project using three key files:An HTML file for the basic user interface (UI). A CSS file for styling. A JavaScript file to handle all...
Sometimes you want to make a piece of functionality available throughout your code. For example, perhaps you want a single method you can call on a jQuery selection that performs a series of operations on the selection. In this case, you may want to write a plugin. ...
To add a SVG tag in our page, we just have to insert the following code (just after the canvas):As you can note, the SVG starts with two already defined objects : a circle for the ball and a rectangle for the pad.Defining constants and variablesIn game.js file, we will start by ...
I am trying to make a<ul>slide down using CSS transitions. The<ul>starts off atheight: 0;. On hover, the height is set toheight:auto;. However, this is causing it to simply appear,nottransition, If I do it fromheight: 40px;toheight: auto;, then it will slide up toheight: 0...