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var canIVote = 'No'; | |
function areYouOlderThan18() { | |
if (true) { | |
var canIVote = 'Yes'; | |
} | |
console.log(canIVote); // log 'Yes', not the global value of 'No' | |
} |
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var canIVote = 'No'; | |
function areYouOlderThan18() { | |
if (true) { | |
var canIVote = 'Yes'; | |
} | |
console.log(canIVote); // log 'Yes', not the global value of 'No' | |
} |
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// global scope | |
var name = 'Damian'; | |
function getName(name) { // passing (name) makes it local scope | |
console.log(a); // log the given argument, not the global value of '1' | |
} | |
// local scope again | |
function localScope() { | |
var isGlobalScope = false; |
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// global scope | |
var name = 'Damian'; | |
function getName() { | |
console.log(name); // 'Damian' | |
} |
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function createBinaryNode(key) { | |
return { | |
key, | |
left: null, | |
right: null, | |
addLeft(leftKey) { | |
const newLeft = createBinaryNode(leftKey) | |
this.left = newLeft | |
return newLeft | |
}, |
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function createNode(key) { | |
const children = [] | |
return { | |
key, | |
children, | |
addChild(childKey) { | |
const childNode = createNode(childKey) | |
children.push(childNode) | |
return childNode |
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const { createQueue } = require('../queues/index.js') | |
function createNode(key) { | |
const children = [] | |
return { | |
key, | |
children, | |
addChild(node) { | |
children.push(node) |
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function createNode(value) { | |
return { | |
value, | |
next: null | |
} | |
} | |
function createLinkedList() { | |
return { | |
head: null, |
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function createStack() { | |
const stack = [] | |
return { | |
push(item) { | |
stack.push(item) | |
}, | |
pop() { | |
return stack.pop() | |
}, |
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import { createQueue } from './index'; | |
function createPriorityQueue() { | |
const lowPriorityQueue = createQueue(); | |
const highPriorityQueue = createQueue(); | |
return { | |
enqueue(item, isHighPriority = false) { | |
isHighPriority | |
? highPriorityQueue.enqueue(item) |