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Explain: Map and Set with Javascript

June 21, 2020June 21, 2020 by Mayur Kambariya
What is the use of map and set
Javascript set and map in details

The Map object store key-value pairs and remembers the original insertion order of the keys
The set object store unique value of any types, It’s maybe primitive or object types

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Categories Javascript Knowledge Tags javascript, javascript developer, javascriptblog, map, set

Most useful array method: filter and map

June 2, 2020June 2, 2020 by Mayur Kambariya
Array: filter and map method
Array Filter and Map method for operation on array

Map and filter method used for operation on the array. Like select element or operation each element, Before filter and map method we use normally for and forEach method.

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Categories Javascript Knowledge Tags array, filter, javascript, map, methods

Explain: Three dots or spread operator

May 28, 2020May 28, 2020 by Mayur Kambariya
Three dots or spread operator
Javascript Three dot is spread operator or syntax

Unbelievable Feature release by ES6. it’s called spread operator or rest operator
The spread operator is used for spread syntax. This operator use in array and object. We also called spread elements

Read moreExplain: Three dots or spread operator

Categories Javascript Knowledge Tags javascript, javascriptblog, rest parameter, spread operator, three dot

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