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find and filter in javascript

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Shirshak Kandel answered on May 31, 2022 Popularity 10/10 Helpfulness 4/10

answer find and filter in javascript

related how to search and filter js

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find and filter in javascript

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const persons = [
  {name:"Shirshak",gender:"male"},
  {name:"Amelia",gender:"female"},
  {name:"Amand",gender:"male"}
]
//filter return all objects in array
let male = persons.filter(function(person){
return person.gender==='male'
})
console.log(male) //[{name:"Shirshak",gender:"male"},{name:"Amand",gender:"male"}]

//find return first object that match condition
let female = persons.find(function(person){
return person.gender==='female'
})

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: filter find function javascript

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Contributed on May 31 2022

Shirshak Kandel

0 Answers Avg Quality 2/10

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how to search and filter js

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function myFunction() {
  // Declare variables
  var input, filter, ul, li, a, i, txtValue;
  input = document.getElementById('myInput');
  filter = input.value.toUpperCase();
  ul = document.getElementById("myUL");
  li = ul.getElementsByTagName('li');

  // Loop through all list items, and hide those who don't match the search query
  for (i = 0; i < li.length; i++) {
    a = li[i].getElementsByTagName("a")[0];
    txtValue = a.textContent || a.innerText;
    if (txtValue.toUpperCase().indexOf(filter) > -1) {
      li[i].style.display = "";
    } else {
      li[i].style.display = "none";
    }
  }
}

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: filter fi

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Contributed on Jun 03 2022

0xTony143

0 Answers Avg Quality 2/10

array.filter in javascript

Comment

-1

//How To Use Array.filter() in JavaScript
//example 1. 
const words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present'];

const result = words.filter(word => word.length < 6);

console.log(result);

//OUTPUT: ['spray', 'limit', 'elite'

//example 2
const numbers = [45, 4, 9, 16, 25];
const over18 = numbers.filter(myFunction);

function myFunction(value, index, array) {
  return value > 18;
}

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jul 18 2022

Enoch Boison

0 Answers Avg Quality 2/10

find and filter in javascript

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