Remove array element inside for loop – Javascript
In this article, you will learn, how to remove an array element in a for loop using Javascript. We will be looping in reverse.
Video tutorial:
You can use the following code:
// sample array
const categories = [
{
category: "Laptop",
products: ["Macbook pro", "Acer aspire 5", "Dell XPS", "Lenovo Ideapad"]
},
{
category: "Mobile",
products: ["Samsung Galaxy S23", "Apple iPhone 15"]
}
]
// looping through all array elements in reverse
for (let a = categories.length - 1; a >= 0; a--) {
// condition criteria
if (categories[a].products.length > 3) {
// remove array element
categories.splice(a, 1)
}
}This will delete all categories having more than 3 products.
