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how to create my own filter in js

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Expensive Emu answered on April 7, 2020 Popularity 8/10 Helpfulness 1/10

answer how to create my own filter in js

related how the filter() function works javascript

related How does filter works in javascript?

how to create my own filter in js

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// filter takes an array and function as argumentfunction 
filter(arr, filterFunc) {
  const filterArr = []; // empty array        
  // loop though array    
  for(let i=0;i<arr.length;i++) {        
    const result = filterFunc(arr[i], i, arr);        
    // push the current element if result is true        
    if(result)             
      filterArr.push(arr[i]);     
  }    
  return filterArr;
}

Popularity 8/10 Helpfulness 1/10 Language javascript

Source: www.freecodecamp.org

Tags: filter javascript

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Contributed on Oct 21 2020

Expensive Emu

0 Answers Avg Quality 2/10

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how the filter() function works javascript

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const arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];

const filter = arr.filter((number) => number > 5);
console.log(filter); // [6, 7, 8, 9]

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: function functio

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Contributed on Apr 07 2020

DCmax1k

0 Answers Avg Quality 2/10

How does filter works in javascript?

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const products = [
    { name: 'Laptop', price: 32000, brand: 'Lenovo', color: 'Silver' },
    { name: 'Phone', price: 700, brand: 'Iphone', color: 'Golden' },
    { name: 'Watch', price: 3000, brand: 'Casio', color: 'Yellow' },
    { name: 'Aunglass', price: 300, brand: 'Ribon', color: 'Blue' },
    { name: 'Camera', price: 9000, brand: 'Lenovo', color: 'Gray' },
];
//Get products that price is greater than 3000 by using a filter
const getProduct = products.filter(product => product.price > 3000);
console.log(getProduct)
//Expected output:
/*[
    { name: 'Laptop', price: 32000, brand: 'Lenovo', color: 'Silver' },
    { name: 'Camera', price: 9000, brand: 'Lenovo', color: 'Gray' }
  ]
*/

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: filter fi

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Contributed on Sep 11 2021

Ariful Islam Adil(Code Lover)

0 Answers Avg Quality 2/10

how to create my own filter in js

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How does filter works in javascript?

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