js find value in array

const simpleArray = [3, 5, 7, 15];
const objectArray = [{ name: 'John' }, { name: 'Emma' }]

console.log( simpleArray.find(e => e === 7) )
// expected output 7

console.log( simpleArray.find(e => e === 10) )
// expected output undefined

console.log( objectArray.find(e => e.name === 'John') )
// expected output { name: 'John' }

View another examples Add Own solution

Salem874 130 points

                                    const inventory = [
    {name: 'apples', quantity: 2},
    {name: 'bananas', quantity: 0},
    {name: 'cherries', quantity: 5}
];

function findCherries(fruit) { 
    return fruit.name === 'cherries';
}

inventory.find(findCherries); // { name: 'cherries', quantity: 5 }

/* OR */
  inventory.filter(x =&gt; x.name === 'bananas')[0]; // { name: 'bananas', quantity:0}  

/* OR */

inventory.find(e =&gt; e.name === 'apples'); // { name: 'apples', quantity: 2 }

Thank you! 6

4 (6 Votes)

Posilon 90 points

                                    const array1 = [5, 12, 8, 130, 44];

const found = array1.find(element =&gt; element &gt; 10);

console.log(found);
// expected output: 12

Thank you! 7

Connie M. 100 points

                                    const inventory = [
  {name: 'apples', quantity: 2},
  {name: 'bananas', quantity: 0},
  {name: 'cherries', quantity: 5}
];

function isCherries(fruit) { 
  return fruit.name === 'cherries';
}

console.log(inventory.find(isCherries)); 
// { name: 'cherries', quantity: 5 }

Thank you! 7

4.4

Samuel Ghartey-Tagoe 105 points

                                    var ages = [3, 10, 18, 20];

function checkAdult(age) {
  return age &gt;= 18;
}
/* find() runs the input function agenst all array components
   till the function returns a value
*/
ages.find(checkAdult);

Thank you! 10

4.4 (10 Votes)

Samuel Ghartey-Tagoe 105 points

                                    var ages = [3, 10, 18, 20];

function checkAdult(age) {
  return age &gt;= 18;
}
/* find() runs the input function agenst all array components
   till the function returns a value
*/
ages.find(checkAdult);

Thank you! 0

Samuel Ghartey-Tagoe 105 points

                                    var ages = [3, 10, 18, 20];

function checkAdult(age) {
  return age &gt;= 18;
}
/* find() runs the input function agenst all array components
   till the function returns a value
*/
ages.find(checkAdult);

Thank you! 0

Samuel Ghartey-Tagoe 105 points

                                    var ages = [3, 10, 18, 20];

function checkAdult(age) {
  return age &gt;= 18;
}
/* find() runs the input function agenst all array components
   till the function returns a value
*/
ages.find(checkAdult);

Thank you! 0

Samuel Ghartey-Tagoe 105 points

                                    var ages = [3, 10, 18, 20];

function checkAdult(age) {
  return age &gt;= 18;
}
/* find() runs the input function agenst all array components
   till the function returns a value
*/
ages.find(checkAdult);

Thank you! 0

DrInk 160 points

                                    const inventory = [
  {name: 'apples', quantity: 2},
  {name: 'cherries', quantity: 8}
  {name: 'bananas', quantity: 0},
  {name: 'cherries', quantity: 5}
  {name: 'cherries', quantity: 15}
  
];

const result = inventory.find( ({ name }) =&gt; name === 'cherries' );

console.log(result) // { name: 'cherries', quantity: 5 }

Thank you! 7

4 (7 Votes)

DrInk 160 points

                                    const inventory = [
  {name: 'apples', quantity: 2},
  {name: 'cherries', quantity: 8}
  {name: 'bananas', quantity: 0},
  {name: 'cherries', quantity: 5}
  {name: 'cherries', quantity: 15}
  
];

const result = inventory.find( ({ name }) =&gt; name === 'cherries' );

console.log(result) // { name: 'cherries', quantity: 5 }

Thank you! 0

DrInk 160 points

                                    const inventory = [
  {name: 'apples', quantity: 2},
  {name: 'cherries', quantity: 8}
  {name: 'bananas', quantity: 0},
  {name: 'cherries', quantity: 5}
  {name: 'cherries', quantity: 15}
  
];

const result = inventory.find( ({ name }) =&gt; name === 'cherries' );

console.log(result) // { name: 'cherries', quantity: 5 }

Thank you! 0

DrInk 160 points

                                    const inventory = [
  {name: 'apples', quantity: 2},
  {name: 'cherries', quantity: 8}
  {name: 'bananas', quantity: 0},
  {name: 'cherries', quantity: 5}
  {name: 'cherries', quantity: 15}
  
];

const result = inventory.find( ({ name }) =&gt; name === 'cherries' );

console.log(result) // { name: 'cherries', quantity: 5 }

Thank you! 0

DrInk 160 points

                                    const inventory = [
  {name: 'apples', quantity: 2},
  {name: 'cherries', quantity: 8}
  {name: 'bananas', quantity: 0},
  {name: 'cherries', quantity: 5}
  {name: 'cherries', quantity: 15}
  
];

const result = inventory.find( ({ name }) =&gt; name === 'cherries' );

console.log(result) // { name: 'cherries', quantity: 5 }

Thank you! 0

DrInk 160 points

                                    const inventory = [
  {name: 'apples', quantity: 2},
  {name: 'cherries', quantity: 8}
  {name: 'bananas', quantity: 0},
  {name: 'cherries', quantity: 5}
  {name: 'cherries', quantity: 15}
  
];

const result = inventory.find( ({ name }) =&gt; name === 'cherries' );

console.log(result) // { name: 'cherries', quantity: 5 }

Thank you! 0

DrInk 160 points

                                    const inventory = [
  {name: 'apples', quantity: 2},
  {name: 'cherries', quantity: 8}
  {name: 'bananas', quantity: 0},
  {name: 'cherries', quantity: 5}
  {name: 'cherries', quantity: 15}
  
];

const result = inventory.find( ({ name }) =&gt; name === 'cherries' );

console.log(result) // { name: 'cherries', quantity: 5 }

Thank you! 0

DrInk 160 points

                                    const inventory = [
  {name: 'apples', quantity: 2},
  {name: 'cherries', quantity: 8}
  {name: 'bananas', quantity: 0},
  {name: 'cherries', quantity: 5}
  {name: 'cherries', quantity: 15}
  
];

const result = inventory.find( ({ name }) =&gt; name === 'cherries' );

console.log(result) // { name: 'cherries', quantity: 5 }

Thank you! 0

DrInk 160 points

                                    const inventory = [
  {name: 'apples', quantity: 2},
  {name: 'cherries', quantity: 8}
  {name: 'bananas', quantity: 0},
  {name: 'cherries', quantity: 5}
  {name: 'cherries', quantity: 15}
  
];

const result = inventory.find( ({ name }) =&gt; name === 'cherries' );

console.log(result) // { name: 'cherries', quantity: 5 }

Thank you! 0

DrInk 160 points

                                    const inventory = [
  {name: 'apples', quantity: 2},
  {name: 'cherries', quantity: 8}
  {name: 'bananas', quantity: 0},
  {name: 'cherries', quantity: 5}
  {name: 'cherries', quantity: 15}
  
];

const result = inventory.find( ({ name }) =&gt; name === 'cherries' );

console.log(result) // { name: 'cherries', quantity: 5 }

Thank you! 0

DrInk 160 points

                                    const inventory = [
  {name: 'apples', quantity: 2},
  {name: 'cherries', quantity: 8}
  {name: 'bananas', quantity: 0},
  {name: 'cherries', quantity: 5}
  {name: 'cherries', quantity: 15}
  
];

const result = inventory.find( ({ name }) =&gt; name === 'cherries' );

console.log(result) // { name: 'cherries', quantity: 5 }

Thank you! 0

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