Methods

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// Array Method const fruits =[ "orange","Mango", "Banana", "Coconut"] // push is to add to the end while pop is to remove from the end fruits.push("apple") console.log(fruits) fruits.pop() console.log(fruits) // unshift is to add from the beginning while shift is to remove from the begiining fruits.unshift("Pinneaples") console.log(fruits) fruits.shift() console.log(fruits) // Splice Method // this is used to remove or add to the list in the array given the index and how many values to be removed or add fruits.splice(1,2) console.log(fruits) fruits.splice(2, 0, "lemon","Guava") console.log(fruits) // For Each Method fruits.forEach(fruit=>{ console.log(fruit) }) // Map method fruits.map(fruit=>{ console.log(fruit) }) // filter method const longFruits = fruits.filter(fruit=> fruit.length>5) console.log(longFruits) fruits.push("Banana", "Mango") console.log(fruits) // find method let foundFruit=fruits.find(fruit=>fruit==="Banana"); console.log(foundFruit) // Include Method let hasGuava=fruits.includes("Guava") console.log(hasGuava) // Concat Method let moreFruits=["Berry", "Cherry", "Grape"] let allFruits=fruits.concat(moreFruits) console.log(allFruits) // Sort Method let sortedFruits = allFruits.sort() console.log(sortedFruits) // Reverse Method let reversedFruits = allFruits.reverse() console.log(reversedFruits) const people = [ { name: "Alice", age: 25 }, { name: "Bob", age: 30 }, { name: "Charlie", age: 35 } ]; // Using map to create a new array with just the names of the people const nameAndAge = people.map(person => person); console.log(nameAndAge); // ["Alice", "Bob", "Charlie"]
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