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Other 2022-03-22 09:35:47
filter return item name
Use .filter when you want to get the whole object(s) that match the expected property or properties. Use .map when you have an array of things and want to do some operation on those things and get the result. The challenge is to get all of the messages... Add solution -
Javascript 2022-03-16 21:05:03
my js
const express = require('express') const app = express() const port = 3000 app.get('/', (req, res) => res.send('Hello World!')) var points = [40, 100, 1, 5, 25, 10]; points.sort((a,b) => a-b) var newArray = array.filter(function(item) { return ... Add solution -
Javascript 2022-03-16 17:40:23
javascript get elements that exist in two arrays
function getArraysIntersection(a1,a2){ return a1.filter(function(n) { return a2.indexOf(n) !== -1;}); } var colors1 = ["red","blue","green"]; var colors2 = ["red","yellow","blue"]; var ... Add solution -
Javascript 2022-03-14 16:40:13
search in a table jquery
<script> $(document).ready(function(){ $("#myInput").on("keyup", function() { var value = $(this).val().toLowerCase(); $("#myTable tr").filter(function() { $(this).toggle($(this).text().toLowerCase().ind... Add solution -
Javascript 2022-03-04 04:15:09
add update react pwa feature
//This from url https://stackoverflow.com/questions/56972246/how-to-update-reactjs-based-pwa-to-the-new-version window.addEventListener('activate', function(event) { event.waitUntil( caches.keys().then(function(cacheNames) { ... Add solution -
Javascript 2022-01-30 23:55:25
find duplicate characters from string in javascript
function removeDuplicateCharacters(string) { return string .split('') .filter(function(item, pos, self) { return self.indexOf(item) == pos; }) .join(''); } console.log(removeDuplicateCharacters('baraban')); Add solution -
Javascript 2022-01-28 05:55:22
callback without duplicates javascript
function myFunction(myArray, callBack){ var unique = myArray.filter(function(item, pos) { //validates whether the first occurrence of current item in array // equals the current position of the item (only return those items) return myArray.ind... Add solution