Question

how do you Write a program that accepts three decimal numbers as input and outputs their sum in javascript.

Answer 1

Answer:

import java.util.*;

class nos

{

public static void main()

{

Scanner sc=new Scanner(System.in);

System.out.println("Enter ay 3 decimal numbers");

double a[]=new Double[3];

double sum=0;

for(int i=0;i<3;i++)

{

a[i]=sc.nextDouble();

sum=sum+a[i];

}

System.out.println("The sum is "+ sum);

}

}

Answer 2

Java Script Program:

Explanation:

var firtnumber=parseFloat(prompt("Enter the First decimal number"));//Take the first input.

var Secondnumber=parseFloat(prompt("Enter the Second  decimal number"));//Take the second input.

var Thirdnumber=parseFloat(prompt("Enter the Third decimal number"));//Take the third input.

var result=firtnumber+Secondnumber+Thirdnumber;//Add the number

alert(result);//print the output.

Output:

• If the user gives the input as 1.5,1.5 and 1.5, then it will print the result as 4.5.

Code Explanation:

• The above code is in java script language, which take the three value from the alert box and print the sum of that value in the alert box.
• The Parsefloat function is used to convert the string value into float.

Learn More :

• Java Script : https://brainly.in/question/10407122