The JavaScript ValueOf function is a String function that is used to return the string. The syntax of the JavaScript ValueOf function is:
String_Object.ValueOf()
JavaScript ValueOf Function Example
The following set of examples will help you understand the ValueOf function in JavaScript Programming Language.
TIP: The ValueOf function does not accept any arguments.
<!DOCTYPE html> <html> <head> <title> ValueOf JavaScript </title> </head> <body> <h1> JavaScript ValueOf </h1> <script> var Str1 = "Tutorial Gateway"; var Str2 = "Learn JavaScript"; var Str3 = Str1.valueOf(); var Str4 = Str2.valueOf(); document.write(Str3 + "<br \>"); document.write(Str4 + "<br \>"); if (Str3 === Str4) { document.write(" Both are Equal <br \>"); } else { document.write(" Both are Not Equal <br \>"); } </script> </body> </html>
OUTPUT
ANALYSIS
The following statement will return the value of above-declared string variables
var Str3 = Str1.valueOf(); var Str4 = Str2.valueOf();
Next, We used the JavaScript Else Statement to check whether the value of String variable Str1 is strictly equal to Str2 or not.