Answers for "javascript check dictionary has key"

javascript does key exist

var person={"name":"Billy","age":20}
person.hasOwnProperty("name"); // true
person.hasOwnProperty("sex"); // false

Posted by: Guest on July-22-2019

javascript hashtable contains key

if (obj.hasOwnProperty("key1")) {
  ...
}

Posted by: Guest on March-01-2020

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