1. Find the largest element in an array
var arr = [10, 20, 30, 40, 50];

2. Sum of all the elements…

The common misconception is that React is framework but it is not. React is a popular JS library to build UI.

Let’s deep into the dive with React.

  1. Create React App

To create react app
npx create-react-app react-app
command is required. …

1. JavaScript try/catch/finally Statement

While writing codes it is very common that error happens and to handle these errors JS have 4 statements. These are try, catch, throw and finally.

Syntax:

 
try {
Lines of code
}
catch(err) {
Lines of code to check errors
}
finally {
Lines of code which must be…
JavaScript String Methods
  1. charAt()
    Suppose, you want to return the character at a specified index in a string then you may use the charAt() method. Where 0 is the index of the first character, 1 is the index of the second character, and so on.

Syntax:

string.charAt(index)

Example:

var sampleString = “New String”;
var…

MD. AMINUL ISLAM

B.Sc. in Computer Science and Engineering. University of Barishal, Barishal.

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