โญ7 Useful JavaScript One-Liner Code Tricks โœจ

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Hello

Welcome Guys, its me Md Taqui Imam . So in Today's Blog i will tell you 07 most use cases JavaScript One-Liner Code that use will save your time, code base size and make your code look like a Pro.

So, let's begin and don't forget to Drop a Like (๐Ÿ”ฅ๐Ÿ’–๐Ÿฆ„๐Ÿš€๐Ÿคฏ) and Save it for later ๐Ÿ“Œ.

If you have any doubt then feel Free to Contact Me ๐Ÿ“ฉ.


1. Find Value in Array ๐Ÿ”

Let's start with Basic One-Liner of how to Check if an Array contain a value or not.

// Array
const MyArray = [12,55,40,78,5];
// One-liner 
const haveValue = arr => arr.includes(5);
// Test
console.log("Answer ", haveValue(MyArray)) // Answer true

This is the one-liner to see Array contain a Particular value or not. You can modify accourding to your needs.

2. Object Deep Clone ๐Ÿ’€

This one-Liner will make a Deep clone of your object:

const myObj = {
  "name": "Md Taqui Imam",
  "age": 22,
  "country": "india"
};

const deepClone = obj => JSON.parse(JSON.stringify(obj));

console.log("Answer ", deepClone(myObj));

// Answer Object {"name": "Md Taqui Imam","age": 22,"country": "india"}

3. Scroll To Top ๐Ÿ“ƒ

This is the One-Liner that instantly navigates you to the Top of the Page :

window.scrollTo(0, 0) // navigate to Top

4. Truncate a String To a Specific Length "..."โญ

This One-Liner is to Truncate a String and add "..." to an End on a specific given Length :

const myString = "Lorem ipsum is simply dummy text of the printing and typesetting industry.";

const truncate = (str, len) => str?.length > len ? str.slice(0, len) + "..." : str;

console.log("Answer", truncate(myString, 52)); 
// Answer Lorem ipsum is simply dummy text of the printing and...

5. Remove Dublicated item in ๐Ÿ‘‰ [ ]

This one-Liner will return a new Array without repeating dublicated item from an Array :

const myArr = [4,8,3,9,4];

const dublicate = arr => [...new Set(arr)]

console.log("Answer ", dublicate(myArr));

 // Answer (4) [4, 8, 3, 9]

6. Check all are same ๐Ÿค” or not

This one-liner will help you to check that all item of an Array are same/identical or Not :

const myArr = [4,4,4,4,4];

const allSame = arr => arr.every(val => val === arr[0]);

console.log("Answer ", allSame(myArr));

 // Answer true

7. Get last item from ๐Ÿ‘‰ [ ]

Now, Last one-liner will help you to get the last item of an array :

const myArr = [4,8,2,9,1,6];

const lastItm = arr => arr[arr.length - 1];

console.log("Answer", lastItm(myArr));

 // Answer 6

End ๐Ÿ˜…

I hope you find this Blog post heplful and these 7 one-liners will help you to make your code base size smaller, and boost you productivity.

See you in next Blog๐Ÿ‘‹ and don't forget to subscribe the newsletter๐Ÿ“ฉ

Happy Coding ๐Ÿ‘

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