var colors = [ "red", "orange", "yellow", "green", "blue" ]; //Array
console.log(colors); //Should give the whole array
console.log(colors[0]); //should say "red"
console.log(colors[1]); //should say "orange"
console.log(colors[4]); //should say "blue"
colors[4] = "dark blue" //changes "blue" value to "dark blue"
console.log(colors[4]); //should say "dark blue"
//I hope this helped :)[1, 2, 2, 4, 3, 4].filter((e, i, a) => a.indexOf(e) !== i) // [2, 4]
[1, 2, 2, 4, 3, 4].filter((e, i, a) => a.indexOf(e) === i) // [1, 2, 3, 4]
[1, 2, 3].every((e, i, a) => a.indexOf(e) === i) // true
[1, 2, 1].every((e, i, a) => a.indexOf(e) === i) // false
//$uj@y[1, 2, 3].push(4); // [1, 2, 3, 4]
[1, 2, 3].pop(); // [1, 2]
[1, 2, 3].shift(); // [2, 3]
[1, 2, 3].unshift(0); // [0, 1, 2, 3]
['a', 'b'].concat('c'); // ['a', 'b', 'c']
['a', 'b', 'c'].join('-'); // a-b-c
['a', 'b', 'c'].slice(1); // ['b', 'c']
['a', 'b', 'c'].indexOf('b'); // 1
['a', 'b', 'c'].includes('c'); // true
[3, 5, 6, 8].find((n) => n % 2 === 0); // 6
[2, 4, 3, 5].findIndex((n) => n % 2 !== 0); // 2
[3, 4, 8, 6].map((n) => n * 2); // [6, 8, 16, 12]
[1, 4, 7, 8].filter((n) => n % 2 === 0); // [4, 8]
[2, 4, 3, 7].reduce((acc, cur) => acc + cur); // 16
[2, 3, 4, 5].every((x) => x < 6); // true
[3, 5, 6, 8].some((n) => n > 6); // true
[1, 2, 3, 4].reverse(); // [4, 3, 2, 1]
[3, 5, 7, 8].at(-2); // 7
27
javascript array functionslet dailyActivities = ['sleep', 'work', 'exercise']
let newRoutine = ['eat'];
// sorting elements in the alphabetical order
dailyActivities.sort();
console.log(dailyActivities); // ['exercise', 'sleep', 'work']
//finding the index position of string
const position = dailyActivities.indexOf('work');
console.log(position); // 2
// slicing the array elements
const newDailyActivities = dailyActivities.slice(1);
console.log(newDailyActivities); // [ 'sleep', 'work']
// concatenating two arrays
const routine = dailyActivities.concat(newRoutine);
console.log(routine); // ["exercise", "sleep", "work", "eat"][1, 2, 3].push(4); // [1, 2, 3, 4]
[1, 2, 3].pop(); // [1, 2]
[1, 2, 3].shift(); // [2, 3]
[1, 2, 3].unshift(0); // [0, 1, 2, 3]
['a', 'b'].concat('c'); // ['a', 'b', 'c']
['a', 'b', 'c'].join('-'); // a-b-c
['a', 'b', 'c'].slice(1); // ['b', 'c']
['a', 'b', 'c'].indexOf('b'); // 1
['a', 'b', 'c'].includes('c'); // true
[3, 5, 6, 8].find((n) => n % 2 === 0); // 6
[2, 4, 3, 5].findIndex((n) => n % 2 !== 0); // 2
[3, 4, 8, 6].map((n) => n * 2); // [6, 8, 16, 12]
[1, 4, 7, 8].filter((n) => n % 2 === 0); // [4, 8]
[2, 4, 3, 7].reduce((acc, cur) => acc + cur); // 16
[2, 3, 4, 5].every((x) => x < 6); // true
[3, 5, 6, 8].some((n) => n > 6); // true
[1, 2, 3, 4].reverse(); // [4, 3, 2, 1]
[3, 5, 7, 8].at(-2); // 7
console.log('hi')