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|
if ('x' in null) {
console.log('retained');
}
if ('x' in undefined) {
console.log('retained');
}
if ('x' in 1) {
console.log('retained');
}
if ('x' in true) {
console.log('retained');
}
if ('x' in 'y') {
console.log('retained');
}
if (null instanceof null) {
console.log('retained');
}
if (null instanceof undefined) {
console.log('retained');
}
if (null instanceof 1) {
console.log('retained');
}
if (null instanceof true) {
console.log('retained');
}
if (null instanceof 'y') {
console.log('retained');
}
if (null instanceof {}) {
console.log('retained');
}
|
