javascript check if undefined or null
if( typeof myVar === 'undefined' || myVar === null ){
// myVar is undefined or null
}javascript check if undefined or null
if( typeof myVar === 'undefined' || myVar === null ){
// myVar is undefined or null
}javascript is not null
if(data !== null && data !== '') {
// do something
}Copyright © 2021 Codeinu
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