æsdfjæ asdfjæ sdæfif (typeof variable === \’undefined\’) {
// variable is undefined
}
if (typeof variable === \’undefined\’) {
// variable is undefined
}
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æsdfjæ asdfjæ sdæfif (typeof variable === \’undefined\’) {
// variable is undefined
}
if (typeof variable === \’undefined\’) {
// variable is undefined
}