How to use Array and Join Method In Javascript
In this approach we are using Array and “fill()” function which is used to fill all the value provided in the argument into the array. After that we are using for loop for printing out that array into the console n(size of square) times.
Example: It describes how we can print a square pattern star in the console using array and join method
Javascript
// Javascript program for // printing square of stars // in console function printSquare(n) { const rowArray = Array(n).fill('*'); for (let i = 0; i < size; i++) { console.log(rowArray.join(' ')); } } // Calling fucntion let size = 5; printSquare(size); |
Output
* * * * * * * * * * * * * * * * * * * * * * * * *
Time complexity: O(N)
Space complexity: O(1)
JavaScript Program to Print Square Star Pattern
In this article, we are going to discuss how we can make a square star pattern. we have to print “*” in the console in such a way that it turns or looks like a solid square. we can use loops in different manners for this pattern.
Example:
Input: 4
Output: * * * *
* * * *
* * * *
* * * *
Input: 3
Output: * * *
* * *
* * *
These are the following ways to print a square star pattern in the console:
- Using nested for loop
- Using for loop
- Using String Repeat Method
- Using Array and Join Method
- Using ES6 Repeat and Template Literal
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