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JavaScript ToString

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The JavaScript ToString function is one of the String function which is used to convert the specified expression to the string object.

In this article we will show you, How to write ToString() Function in JavaScript Programming Language with example.

JavaScript ToString Syntax

The basic syntax of the ToString() function in JavaScript Programming Language is as shown below:

String_Object.ToString()
  • String_Object: Please specify the valid string.

TIP: The ToString() function does not accept any arguments.

JavaScript ToString Function Example

The following set of examples will help you understand the ToString() function in JavaScript Programming Language.

JAVASCRIPT CODE

<!DOCTYPE html>
<html>
<head>
    <title> ToString JavaScript </title>
</head>
<body>
    <h1> JavaScript ToString </h1>
<script>
    var Str1 = "Tutorial Gateway";
    var Str2 = 123.45;
    var Str3 = 4567;
    var Str4 = Str1.toString();
    var Str5 = Str2.toString();
    var Str6 = Str3.toString();
    
    document.write(Str4 + "<br \>");
    document.write(Str5 + "<br \>");
    document.write(Str6 + "<br \>");
    document.write(typeof(Str5) + "<br \>");
    document.write(typeof(Str6) );
</script>
</body>
</html>

OUTPUT

JavaScript TOSTRING Function

ANALYSIS

First we declared three String variables Str1, Str2, Str3 and assigned corresponding values using following statement

  var Str1 = "Tutorial Gateway"; //String
  var Str2 = 123.45; //Float
  var Str3 = 4567; //Integer

Following statements will convert the decimal and integer values to string values

  var Str4 = Str1.toString();
  var Str5 = Str2.toString();
  var Str6 = Str3.toString();

Next, We used the TypeOf Function, to show you the Data type of the variable. From the above screenshot you can observe that, data type of Str2 (decimal) and Str3 (integer) are converted to string type.

 document.write(typeof(Str5) + "<br \>");
 document.write(typeof(Str6) );

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