Answers for "check of undefined javascript"

20

javascript check for undefined

if (typeof myVariable === 'undefined'){
    //myVariable is undefined
}
Posted by: Guest on July-22-2019
1

javascript check if boolean is undefined

if (typeof myFlag !== "undefined") {
  // comes here whether myFlag is true or false but not defined
}
Posted by: Guest on May-02-2020

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