hasOwnProperty in Javascript
JavaScript
var json = {
amt: "10.00",
email: "[email protected]",
merchant_id: "sam",
mobileNo: "9874563210",
orderID: "123456",
passkey: "1234"
};
if(json.hasOwnProperty('merchant_idh')){
alert("ttt");
} else {
alert("rrrr");
}