20 Best Javascript Code Snippet
1. Get current date and time:
const now = new Date();
2. Check if a variable is an array:
Array.isArray(variable);
3. Merge two arrays:
const newArray = array1.concat(array2);
const newArray = […array1, …array2];
4. Remove duplicates from an array:
const uniqueArray = […new Set(array)];
5. Sort an array in ascending order:
array.sort((a, b) => a — b);
6. Reverse an array:
array.reverse();
7. Convert string to number:
const number = parseInt(string);
8. Generate a random number between two values:
const randomNumber = Math.floor(Math.random() * (max — min + 1)) + min;
9. Check if a string contains a substring:
string.includes(substring);
10. Get the length of an object:
Object.keys(object).length;
