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Convert a number to a string in JavaScript

  • Last Updated : 05 Mar, 2021

In JavaScript, you can change any number into string format using the following methods.

1. Using toString(): This method belongs to the Number.Prototype object. It takes an integer or a floating-point number and converts it into a string type.

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Syntax:

num.toString();
  • Example:



    Javascript




    <script>
      let a = 20;
      
      console.log(a.toString());
      console.log((50).toString());
      console.log((60).toString());
      console.log((7).toString(2)); // (7 in base 2, or binary)
    </script>

    
    

    Output:

    20
    50
    60
    111

2. Using String() function: This method accepts an integer or floating-point number as a parameter and converts it into string type.

Syntax:

String(object);
  • Example:

    Javascript




    <script>
      let a = 30;
      
      console.log(String(a));
      console.log(String(52));
      console.log(String(35.64));
    </script>

    
    

    Output:

    30
    52
    35.64

Note: It does not do any base conversations as .toString() does.

3. Concatenating an empty string: This is arguably one of the easiest ways to convert any integer or floating-point number into a string.

Syntax:



let variable_name =' ' + value;
  • Example:

    Javascript




    <script>
      let a = '' + 50;
      console.log(a);
    </script>

    
    

    Output:

    50

4.Template Strings: Injecting a number inside a String is also a valid way of parsing an Integer data type or Float data type.

Syntax:

let variable_name = '${value}';
  • Example:

    Javascript




    <script>
      let num = 50;
      let flt = 50.205;
      let string = "${num}";
      let floatString = "${flt}";
      console.log(string);
      console.log(floatString);
    </script>

    
    

    Output:

    50
    50.205

The above 4 methods can be used to convert any integer or floating-point number into a string.




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