I am doing an online course and practising what I am learning. I just wanted to create a function, that takes an object and loops through an array element of the object using forEach. So I don't want to change…
I'm trying to synchronize calendars, but the receiving server only wants "bite-sized" data, so I decided to sync PER USER PER MONTH. Thus, I made a double loop: First I loop through all users, and within that loop, I loop…
I have a JavaScript animation that simulates a starfall effect using HTML canvas and "pixel" manipulation. While the animation works, I'm facing efficiency and speed issues, and I'm looking for ways to optimize the code. The animation involves creating stars…
I've got an array of strings and a string. Using a for loop, iterating through both the array and the string, I'm hoping to return the letters that are the same in both. My solution works until there is a…
I have to fill an array with a lot of objects. My current Implementation is this: let useVertices = []; const len = this.indices.length; for(let i = 0; i < len; i++){ let index = this.indices[i]*3; useVertices.push(new THREE.Vector3( this.vertices[index], this.vertices[index+1],…
I have two array with same key but diff value example : ( "2"=> 6, "5"=> 1 ), ( "2"=> 1, "5"=> 3 ) I want to create new array with the same key but replace highest value like this…
I'm learning about looping over objects and I came across this syntax in a Udemy course. Why is it that I can write tools[x] and it returns the value of the objects (hammers, hammers2)? It's my understanding that 'tools' is…
I really could use some help with this. I can't seem to get this right no matter what approach I take. Let me set this up so you can understand the task first. First we have a data set called…
I am trying to solve a difficult computation but i am not reaching anywhere. can someone please help Here is a simple example. const filterCityBy = "NY"; const data = [ { name: "Harry, age: 45, city: "NY" }, {…
If I need to check value inside array or not, then I will use includes, let orig_arr = [1,2,3]; let input = 1; if (orig_arr.includes(input)) { // ... } If wanna do async way then user for await loop for…