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Asked: September 22, 20242024-09-22T12:25:26+05:30 2024-09-22T12:25:26+05:30In: JavaScript

How can I filter objects within an array based on a specific criterion in JavaScript? I’m working with an array of objects, and I want to create a new array that includes only the objects that meet certain conditions. What would be the best approach to achieve this?

anonymous user

Hey everyone! I’m currently working on a JavaScript project and I’ve hit a bit of a snag. I have an array of objects, and I need to create a new array that contains only the objects that meet specific criteria.

For example, let’s say my array looks like this:

“`javascript
const products = [
{ id: 1, name: ‘Laptop’, price: 1500, inStock: true },
{ id: 2, name: ‘Phone’, price: 700, inStock: false },
{ id: 3, name: ‘Tablet’, price: 300, inStock: true },
{ id: 4, name: ‘Monitor’, price: 200, inStock: false }
];
“`

I want to create a new array that includes only the products that are in stock and cost less than $800. I’ve tried a few things, but I can’t seem to get it right.

What would be the best way to filter this array based on these conditions? Any advice or code snippets would be super helpful! Thanks in advance!

Java
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    1. anonymous user
      2024-09-22T12:25:27+05:30Added an answer on September 22, 2024 at 12:25 pm

      “`html





      JavaScript Array Filtering

      How to Filter an Array of Objects in JavaScript

      Hey there! If you’re looking to filter an array of objects based on specific criteria like in-stock and price, you can use the filter method in JavaScript. Here’s a code snippet that demonstrates how to achieve this with your example:

      
      const products = [
        { id: 1, name: 'Laptop', price: 1500, inStock: true },
        { id: 2, name: 'Phone', price: 700, inStock: false },
        { id: 3, name: 'Tablet', price: 300, inStock: true },
        { id: 4, name: 'Monitor', price: 200, inStock: false }
      ];
      
      const filteredProducts = products.filter(product => product.inStock && product.price < 800);
      
      console.log(filteredProducts);
          

      In this example, filter goes through each product and checks if it meets both conditions: it must be in stock and priced under $800. The result will be a new array containing only the products that meet these criteria.

      Feel free to ask if you have any more questions or need further clarification! Good luck with your project!



      ```

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    2. anonymous user
      2024-09-22T12:25:27+05:30Added an answer on September 22, 2024 at 12:25 pm

      “`html

      To filter the array of products based on your specified criteria—in this case, products that are in stock and cost less than $800—you can utilize the JavaScript `filter` method. This method creates a new array with all elements that pass the test implemented by the provided function. In your case, you would define a function that checks whether each product’s inStock property is true and its price property is less than 800.

      Here’s a code snippet that demonstrates how to achieve this:

      const filteredProducts = products.filter(product => product.inStock && product.price < 800);

      After running this code, filteredProducts will contain only the products that meet both criteria. In your example, this will result in an empty array since there are no products that are both in stock and under $800. However, if you had a product that met those conditions, it would appear in the new array!

      “`

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