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Copy pathworksheet.js
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105 lines (89 loc) · 2.39 KB
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const characters = [
{
name: 'Luke Skywalker',
height: 172,
mass: 77,
eye_color: 'blue',
gender: 'male',
},
{
name: 'Darth Vader',
height: 202,
mass: 136,
eye_color: 'yellow',
gender: 'male',
},
{
name: 'Leia Organa',
height: 150,
mass: 49,
eye_color: 'brown',
gender: 'female',
},
{
name: 'Anakin Skywalker',
height: 188,
mass: 84,
eye_color: 'blue',
gender: 'male',
},
];
//***MAP***
//1. Get array of all names
//2. Get array of all heights
//3. Get array of objects with just name and height properties
//4. Get array of all first names
//***REDUCE***
//1. Get total mass of all characters
//2. Get total height of all characters
//3. Get total number of characters by eye color
//4. Get total number of characters in all the character names
//***FILTER***
//1. Get characters with mass greater than 100
const massGreater100 = characters.filter(characters => {
return characters.mass > 100
})
console.log(massGreater100);
//2. Get characters with height less than 200
const heightGreater200 = characters.filter(characters => {
return characters.height < 200
})
console.log(heightGreater200);
document.getElementById("body").innerHTML = massGreater100;
//3. Get all male characters
const male = characters.filter(characters => {
return characters.gender === "male"
})
console.log(male);
//4. Get all female characters
const female = characters.filter(characters => {
return characters.gender === "female"
})
console.log(female);
//***SORT***
//1. Sort by mass
const mass = characters.sort((a, b) => {
return a.mass - b.mass
})
console.log(mass);
//2. Sort by height
const height = characters.sort((a, b) => {
return a.height - b.height
})
console.log(height);
//3. Sort by name
const byname = characters.sort((a, b) => {
if(a.name < b.name) return -1;
return 1;
})
//4. Sort by gender
//***EVERY***
//1. Does every character have blue eyes?
//2. Does every character have mass more than 40?
//3. Is every character shorter than 200?
//4. Is every character male?
//***SOME***
//1. Is there at least one male character?
//2. Is there at least one character with blue eyes?
//3. Is there at least one character taller than 210?
//4. Is there at least one character that has mass less than 50?