check if key value exists in json object javascript code example
Example 1: check if key exists in json typescript
if (cell.hasOwnProperty('Relationships')) {
console.log("Key Found!!");
}
else {
console.log("Not Found.");
}
Example 2: how to check if a key exists in an object javascript
!("key" in obj) // true if "key" doesn't exist in object
!"key" in obj // ERROR! Equivalent to "false in obj"