Answers for "how to check javascript variable is undefined or null"

javascript check if undefined or null

if( typeof myVar === 'undefined' || myVar === null ){
    // myVar is undefined or null
}

Posted by: Guest on October-23-2019

check if variable is undefined or null jquery

if (variable == null) {
    // variable is either null or undefined
}

Posted by: Guest on March-18-2020

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