opkg upgrade all

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opkg list-upgradable | cut -f 1 -d ' ' | xargs -r opkg upgrade

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Source: Grepper

Tags: opkg shell upgrade

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Contributed on Nov 18 2024

Nofi Setiawan

0 Answers Avg Quality 2/10

javascript map

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32

array.map((item) => {
  return item * 2
} // an example that will map through a a list of items and return a new array with the item multiplied by 2

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Dec 22 2019

Zealous Zebra

0 Answers Avg Quality 2/10

javascript map

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7

const numbers = [0,1,2,3];

console.log(numbers.map((number) => {
  return number;
}));

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Tags: javascript j

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Contributed on Oct 04 2020

hateschoollovecoding

0 Answers Avg Quality 2/10

javascript map

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3

// make new array from edited items of another array
var newArray = unchangedArray.map(function(item, index){
  return item;	// do something to returned item
});

// same in ES6 style (IE not supported)
var newArray2 = unchangedArray.map((item, index) => item);

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Tags: javascript j

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Contributed on Feb 18 2021

TechNyquist

0 Answers Avg Quality 2/10

javascript map

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2

const numbers = [2, 4, 6, 8];
const result = numbers.map(a => a * 2);
console.log(result);
//Output: [ 4, 8, 12, 16 ]

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Contributed on Jan 03 2022

Ariful Islam Adil(Code Lover)

0 Answers Avg Quality 2/10

javascript map

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3

const items = [1, 2, 3, 4, 5, 6, 7, 8, 9];

const anotherItems = items.map(item => item * 2);

console.log(anotherItems);

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Source: js.zonayed.me

Tags: javascript j

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Contributed on Apr 14 2022

Azizul7m

0 Answers Avg Quality 2/10

javascript map

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1

How to use Map Function in Javascript

const map1 = new Map();

map1.set('a', 1);
map1.set('b', 2);
map1.set('c', 3);

console.log(map1.get('a'));
// Expected output: 1

map1.set('a', 97);

console.log(map1.get('a'));
// Expected output: 97

console.log(map1.size);
// Expected output: 3

map1.delete('b');

console.log(map1.size);
// Expected output: 2

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Tags: javascript j

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Contributed on Feb 23 2023

AttractivePenguin

0 Answers Avg Quality 2/10

javascript map

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0

const originals = [1, 2, 3];

const doubled = originals.map(item => item * 2);

console.log(doubled); // [2, 4, 6]

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Source: developer.mozilla.org

Tags: javascript j

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Contributed on Apr 26 2022

Lovely Locust

0 Answers Avg Quality 2/10

javascript map

Comment

1

// Creating javascript map with one instruction
const map = new Map([
  ["key", "value"],
  ["key2", "value2"],
]);

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Tags: javascript j

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Contributed on Jul 15 2022

marktecher.com

0 Answers Avg Quality 2/10

javascript map

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0

let numbers = [1, 2, 3, 4, 5];
let squaredNumbers = numbers.map((num) => num * num);
console.log(squaredNumbers);

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Tags: javascript j

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Contributed on Mar 05 2023

SubZero

0 Answers Avg Quality 2/10

javascript map

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0

Shorthand: (key,value) Map 

const callbackMap = new Map<string, PushEventCallback>([
      ["addComment", addCommentCallback],
      ["commentModified", editCommentCallback]
]);

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map#:~:text=Cloning%20and%20merging%20Maps

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Source: developer.mozilla.org

Tags: javascript j

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Contributed on Dec 03 2021

Ashamed Antelope

0 Answers Avg Quality 2/10

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