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javascript converting an array into a map

Samuel Abusa Kennedy answered on July 12, 2021 Popularity 10/10 Helpfulness 4/10

answer javascript converting an array into a map

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javascript converting an array into a map

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const arr = ['a', 'b', 'c', 2, 3, 4];
const nwMap = new Map([...arr.entries()]);

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript map

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Contributed on Jul 12 2021

Samuel Abusa Kennedy

0 Answers Avg Quality 2/10

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array to map js

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var arr = [
    { key: 'foo', val: 'bar' },
    { key: 'hello', val: 'world' }
];

var result = new Map(arr.map(i => [i.key, i.val]));

// When using TypeScript, need to specify type:
// var result = arr.map((i): [string, string] => [i.key, i.val])

// Unfortunately maps don't stringify well.  This is the contents in array form.
console.log("Result is: " + JSON.stringify([...result])); 
// Map {"foo" => "bar", "hello" => "world"}
 Run code snippet

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Jun 30 2022

Xanthous Xenomorph

0 Answers Avg Quality 2/10

javascript converting an array into a map

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javascript converting an array into a map

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array to map js

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