Answers for "passing function is exists or not js checking"

javascript check if function exists

//check if sayHello() function exists
if (typeof sayHello === "function") { 
    // This function exists
}

Posted by: Guest on August-02-2019

check if function exists javascript

if (typeof payment === "function")
{
  // Do something
}

Posted by: Guest on September-18-2019

Code answers related to "passing function is exists or not js checking"