I have set a value for this.username previously, but it returns as undefined when inside a function. How can I access its value?
Parse.User.logIn(this.username, this.password, {
success: function(user) {
// it returns as undefined
console.log('username is : ', this.username);
}});
The reason for this behavior is that the callback function has its own separate scope which is different from the outer function.
To resolve this, store a reference to the 'this' keyword outside of the function.
var reference = this;
Then, use the 'reference' variable inside the function to access the correct scope.
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