Answers for "javascript to check if variable empty exists"

javascript check if variable exists

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

Posted by: Guest on July-23-2019

php code to check if variable is null

if(empty($var1)){
    echo 'This line is printed, because the $var1 is empty.';
}

Posted by: Guest on May-01-2020

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