Answers for "exist function in js"

how to check if exists in javascript

if (typeof(elem) !== 'undefined') {

Posted by: Guest on July-26-2021

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 "exist function in js"