JavaScript Array count | Get the Array length example

Use length property to get Array count in JavaScript. A length property also used to iterated through by looking at the length property and Create empty array of fixed length, etc. Example count Array in JavaScript HTML example code:

Output: Q: How to count certain elements in Array? Answer: Let’s find how many 2s Read More…


Count duplicate elements in array JavaScript | Example code

You have to do some coding in loop to get the count of duplicate elements in array JavaScript. We will do code using the forEach and for loop. JavaScript count same elements in array Example HTML example code: Lengthy code: In this code elements will be fetch from array and will counted in for loop. Read More…


JavaScript split a string into an Array | Example code

Use the split() method. When specifying an empty string as the separator, the split() method will return an array with one element per word. JavaScript split string into array Example code HTML example code: Split a string into an array of words or substring and returns the new array using split() method. It doesn’t change Read More…


JavaScript split a sentence into an array of words | Example code

Just use the split method to convert sentences into an array of words in JavaScript. You have to use a separator which uses to indicating where each split should occur. We will use a space separator, you can use a comma or another. JavaScript split a sentence into an array of words Example HTML example Read More…


JS get a random element from the Array | Example code

You can get a random element from the Array in JS by using Math.random() function to get the random number then Multiply it by the array length. After it, you will get numbers between zero to array length. Last use Math.floor() to get the index number from 0 to arrayLength-1. JS get a random element Read More…


Get random element from array JavaScript | Example code

Use Math.random * the length of the array, rounded down, as an index into the array to Get random element from array JavaScript. How to get a random element from array JavaScript Example HTML example code:- Get Random element form string array in JavaScript.

Output: You output may be not same because this code Read More…


How to get second smallest number in array JavaScript | Example code

Do sorting an Array in ascending order and get 2nd number is one way. Other ways are to get the second smallest number from array JavaScript is traversing the array twice or traversing the array and store it as the smallest element. get second smallest number in array JavaScript Example HTML example code: Sorting the Read More…


JavaScript array min value | Example code

Use Math.min() function to get the minimum valued number passed into it, or NaN if any parameter isn’t a number and can’t be converted into one. Buy functions min accept only number arguments. You have to use spread operator (…), apply() or reduce() with math. JavaScript array min value Example HTML example code: Since Math.min() Read More…


JavaScript find min value in an array of objects | Example code

Use JavaScript reduce() or Math method to get the min value in an array of objects. Using the Math functions with the spread operator (…) and sorting the array numerically with .sort() is way to get min value form array. JavaScript find min value in an array of objects Examples HTML example codes:- Using apply() Read More…


Find the second smallest number in array JavaScript | Example code

If performance doesn’t bother you then simply sort the array and get the 1 index value of array to get second smallest number in array JavaScript. Find the second smallest number in array JavaScript Example HTML example code: Sort method will update existing array in increasing order.

Output: Note: Array index is start from Read More…