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javascript does key exist Code Example
javascript does key exist 
var person={"name":"Billy","age":20}
person.hasOwnProperty("name"); // true
person.hasOwnProperty("sex"); // false
javascript hashtable contains key 
if (obj.hasOwnProperty("key1")) {
  ...
}
Source: stackoverflow.com
js check if object key exists 
var obj = { key: undefined };
obj["key"] !== undefined // false, but the key exists!
Source: stackoverflow.com



Javascript

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Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
Uploaded by:
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