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js is function

TomatenTim answered on July 11, 2021 Popularity 9/10 Helpfulness 10/10

answer js is function

related is function javascript

js is function

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if(typeof test === "function") {
  console.log('test is a function');
}else {
  console.log('test is not a function');
}

Popularity 9/10 Helpfulness 10/10 Language javascript

Source: Grepper

Tags: javascript

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Contributed on Jul 11 2021

TomatenTim

0 Answers Avg Quality 2/10

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is function javascript

Comment

// There are various ways to test if a variable is of function type
// typeof check
if(typeof test === "function"){
  // do something with function
  test()
}
// instanceof check
if(test instanceof Function){
  // do something with function
  test()
}
// call check
if(test?.call !== "undefined"){
   test.call({}, arg1, arg2);
}

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Apr 23 2022

elcharitas

0 Answers Avg Quality 2/10

js is function

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is function javascript

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