Answers for "check if function exists in sender window javascript"

7

javascript check if function exists

//check if sayHello() function exists
if (typeof sayHello === "function") { 
    // This function exists
}
Posted by: Guest on August-02-2019
2

check if function exists javascript

if (typeof payment === "function")
{
  // Do something
}
Posted by: Guest on September-18-2019

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