Answers for "js check if set"

javascript check if variable exists

if (typeof myVar !== 'undefined') {
    // myVar is defined
}

Posted by: Guest on July-23-2019

javascript check if set

if (typeof variable !== 'undefined') {
    // the variable is defined
}
//or
if (typeof variable === 'undefined') {
    // variable is undefined
}

Posted by: Guest on March-13-2021

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