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Commit 23661ba

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have learned slice(),splice(),sort(),concat(),fill(),includes() methods with some examples with solution
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‎Array methods/script.js

Lines changed: 93 additions & 17 deletions
Original file line numberDiff line numberDiff line change
@@ -175,20 +175,96 @@
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// }
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// console.log(max);
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const store = [
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{
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product:'laptop',
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value:1000,
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count:3
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}, {
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product:'desktop',
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value:2000,
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count:6
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}, {
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product:'Asus',
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value:4000,
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count:3
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}
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]
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const totalValue = store.reduce((acc,item)=> acc + item.value * item.count,0);
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console.log(totalValue)
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// const store = [
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// {
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// product:'laptop',
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// value:1000,
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// count:3
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// }, {
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// product:'desktop',
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// value:2000,
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// count:6
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// }, {
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// product:'Asus',
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// value:4000,
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// count:3
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// }
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// ]
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// const totalValue = store.reduce((acc,item)=> acc + item.value * item.count,0);
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// console.log(totalValue)
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/// SLICE METHOD //
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// const numbers =[1,2,3,4,5]
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// // const num2 = numbers.slice(1,4)
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// const num2 = numbers.slice(-5)
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// console.log(num2);
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// console.log(numbers);
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// const participants = ['Alice','Patrick','Malvina','Johanna'];
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// const winners = participants.slice(0,3)
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// console.log(winners);
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//SPLICE METHOD //
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// const numbers = [1,2,3,4,5,6];
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// const deleted = numbers.splice(1,3)
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//const deleted = numbers.splice(1,3,6,7,8)
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// console.log(deleted);
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// SORT METHOD //
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// const names = ['alice','citny','bear','emelia','anna']
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// names.sort()
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// console.log(names)
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// const numbers = [12,25,83,1,3,5,64,9,7,4]
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// numbers.sort(comapreFunction)
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// console.log(numbers);
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// function comapreFunction(a,b){
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// return a - b;
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// }
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// const store = [
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// {
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// product:'laptop',
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// value:1000,
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// count:3
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// }, {
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// product:'desktop',
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// value:2000,
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// count:6
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// }, {
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// product:'Asus',
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// value:4000,
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// count:3
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// }
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// ];
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// store.sort((a,b)=>{
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// return a.price - b.price
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// })
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// console.log(store);
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// CONCAT METHOD //
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// const a = [1,2,3];
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// const b = [4,5,6];
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// const c = [7,8,9];
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// const d = a.concat(b,c)
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// const e = a.concat(1,2,d)
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// console.log(d)
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// console.log(e);
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// FILL METHOD //
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// const numbers = [1,2,3,4,5];
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// numbers.fill(0,2,4);
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// console.log(numbers);
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// function fillArray(n){
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// return Array(n).fill(0).map((_,idx) => idx + 1)
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// }
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// console.log(fillArray(20));
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// INCLUDES METHOD /
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// const fruits = ['orange','ananas','banana','apple'];
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// const c = fruits.includes('apple');
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// console.log(c);

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