Answers for "check if a function exists javascript"

javascript check if function exists

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

Posted by: Guest on August-02-2019

js check if function exists

if (typeof yourFunctionName == 'function') { 
  yourFunctionName(); 
}

Posted by: Guest on March-28-2020

check if function exists javascript

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

Posted by: Guest on September-18-2019

javascript check if function exists

if (typeof sourceObj.someMethod === "function") { 
    // you are safe using the method
  	sourceObj.someMethod();
}

Posted by: Guest on May-02-2020

Code answers related to "check if a function exists javascript"