Answers for "js if undefined the use"

19

js if not undefined

if (typeof myVar !== "undefined") {
    console.log("myVar is DEFINED");
}
Posted by: Guest on October-23-2019
3

how to check if object is undefined in javascript

if (typeof something === "undefined") {
    alert("something is undefined");
}
Posted by: Guest on November-26-2019

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