JavaScript Program to Pass a Function as Parameter

Example: Function as Parameter

 // program to pass a function as a parameter function greet() { return 'Hello'; } // passing function greet() as a parameter function name(user, func) { // accessing passed function const message = func(); console.log(`${message} ${user}`); } name('John', greet); name('Jack', greet); name('Sara', greet);

Output

 Hello John Hello Jack Hello Sara

In the above program, there are two functions: name() and greet().

• The name() function takes two parameters.
• The greet() function is passed as an argument to the name() function.

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