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scriptschat/js-undefined.js Secret

Created September 24, 2020 11:53
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undefined in JavaScript
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js-undefined.js
var emp = {
name: 'John Snow',
email: 'john.snow@abc.com'
}
console.log(emp.name);
//John Snow
console.log(emp.address);
// undefined (here we are trying to extract a member which object doesn't have)
var test;
console.log(test);
//undefined (a variable defined but not initialized)
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