Answers for "how to check if variable is not defined in jquery"

check if a variable is undefined jquery

if (typeof value === "undefined") {
    // ...
}

Posted by: Guest on July-06-2020

checking if var is not defined js

if(typeof x !== 'undefined'){
  alert("Variable x is defined.");
}

Posted by: Guest on August-20-2020

Code answers related to "how to check if variable is not defined in jquery"