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javascript2/week3 #374

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Nebiyoutibebu wants to merge 2 commits into from
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javascript2/week3 #374

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98da4ec
Create week 2
Nebiyoutibebu Feb 17, 2019
ecda530
Rename week 2 to week_2
Nebiyoutibebu Jun 9, 2019
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7 changes: 7 additions & 0 deletions week 2
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
Step 1:

const numbers = [1, 2, 3, 4];
const oddnumbers = numbers.filter(item => Math.abs(item) % 2 === 1)
const doubleOddNumbers = oddnumbers.map(item => item * 2)

console.log(doubleOddNumbers)
73 changes: 73 additions & 0 deletions week_2
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@@ -0,0 +1,73 @@
1.1

function doubleOddNumbers(numbers) {
console.log(numbers);
return numbers.filter(num => num % 2 !== 0).map(num => num * 2);
}
const myNumbers = [1, 2, 3, 4];
console.log(doubleOddNumbers(myNumbers));




1.2

const monday = [
{
name: "Write a summary HTML/CSS",
duration: 180
},
{
name: "Some web development",
duration: 120
},
{
name: "Fix homework for class10",
duration: 20
},
{
name: "Talk to a lot of people",
duration: 200
}
];

const tuesday = [
{
name: "Keep writing summary",
duration: 240
},
{
name: "Some more web development",
duration: 180
},
{
name: "Staring out the window",
duration: 10
},
{
name: "Talk to a lot of people",
duration: 200
},
{
name: "Look at application assignments new students",
duration: 40
}
];

const tasks = [...monday, ...tuesday];
const rate = 20;
const tasksInHour = tasks
.map(i => i.duration / 60)
.filter(i => i >= 2)
.map(i => i * rate)
.reduce((total, value) => total + value)
.toFixed(2);

console.log(`€ ${tasksInHour}`);

// 60, 40, 66.66666, 80, 60, 66.6666
// total , value , result
// iteration 0 ... total = 60, value = 40 ---> 100
// iteration 1 ... total = 100, value = 66.66 --> 166.666
// iteration 2 ... total = 166.666, value = 80 --> 246.666
// iteration n .. total = something number