Let say I have an array created by Array.fill() and I want to replace the undefined value with an empty string. These are some of the methods I use: With .map() let data = Array(5).fill(-2, 0, 1).fill(0,2,3).fill(2,4,5); console.log(data); data =…
I want to change the visibility of the elements of class container_element with an interval of one second one by one. i tried solve my problem with for loop but when i try to setInterval in for loop it stops…
Currently I only get the first value of each object inside itemList: name description details 1 2 3 itemList = [ { id: 1, name: "item1", description: "description1", details: "detail1" }, { id: 2, name: "item2", description: "description1", details: "detail2"…
I have an object with multiple keys and each key has an array as a value. how do I iterate through the array and log only 1 value for each key? I have the object set up as such: const…
I have an element with title, type, description and so on. I have a DAO that defines all that and functions already created that extract the type for one element only: it's getById(). How can I loop through all the…
I have some code that generates a random output based on prior parameters from different arrays Data setup: $persons = array("Old", "Young", "Child"); $moods = array("neutral", "happy", "sad"); $newarray= ""; shuffle($persons ); $persons2 = array_merge(...array_fill(1, 92, $persons )); $persons2 =…
I'm having trouble writing a function to iterate through a list, look up and replace if matched. This is what I have so far: function lookupTests(tests) { for (var i = 0; i < tests.length; i++) { const currentTest =…
I'd like to create some kind of factory to automate the process of creating JS classes. The factory should loop through an object that contains classes names and their respective parameters. The following simplified code sample hopefully demonstrates what I…
My code: $customers='[ { "id": 1, "name": "sara", "phone": 1100, "mobile": 1111 }, { "id": 2, "name": "ben", "phone": 2200, "mobile": 2222 } ]'; $data = json_decode($customers, true); foreach($data as $a){ if($a['name'] == 'sara'){ $phone = $a['phone']; $mobile = $a['mobile'];…
I'm a beginner at JavaScript and I need help solving a problem. The assignment is: ** /* Arrays & Loops Step 1 Create an empty array and assign it to a variable called "numberList". */ /* Step 2 Using a…