javascript array filter callback code example

Example 1: who to accses to an object vallue inside an array with .filter method js

const array = [
  {
    username: "john",
    team: "red",
    score: 5,
    items: ["ball", "book", "pen"]
  },
  {
    username: "becky",
    team: "blue",
    score: 10,
    items: ["tape", "backpack", "pen"]
  },
  {
    username: "susy",
    team: "red",
    score: 55,
    items: ["ball", "eraser", "pen"]
  },
  {
    username: "tyson",
    team: "green",
    score: 1,
    items: ["book", "pen"]
  },

];
//FILTER MEMBERS IN TEAM "RED"
const filterArray=array.filter(word=>word.team==="red")

Example 2: javascript array filter elements greater than

function isGreater(element, index, array) { 
   return (element >= 10); 
} 
          
let testElemets = [12, 5, 8, 130, 44].filter(isGreater); 
console.log("Test Value : " + testElemets );

Example 3: js filter items by index

let newArray = arr.filter(callback(element[, index, [array]])[, thisArg])