find element in array javascript
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' }javascript find
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 }) => name === 'cherries' );
console.log(result) // { name: 'cherries', quantity: 5 }array find
const array1 = [5, 12, 8, 130, 44];
const found = array1.find(element => element > 10);
console.log(found);
// expected output: 12find method javascript
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 }find in js
The first element that will be found by that function
const f = array1.find(e => e > 10);search input at array javascript
var people = [
{
name: "John Smith",
url: "http://example.com/johnsmith"
},
{
name: "John Johnson",
url: "http://example.com/johnjohnson"
},
{
name: "Bob Thompson",
url: "http://example.com/bobthompson"
},
{
name: "Smith Sanchez",
url: "http://example.com/smithsanchez"
},
{
name: "Bob Sanchez",
url: "http://example.com/bobsanchez"
}
];
$("#search-input").on("keyup", function(){
var searchFor = $("#search-input").val().toLowerCase();
var results = [];
for(var i=0;i<people.length;i++){
if(people[i].name.toLowerCase().indexOf(searchFor) > -1)
results.push("<a href='"+people[i].url+"' target='_blank'>"+people[i].name+"</a>")
}
if(results.length == 0)
$("#search-results").html("No Results Found");
else
$("#search-results").html(results.join("<br>"));
});Copyright © 2021 Codeinu
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