Merge pull request ryanmcdermott#101 from kurtommy/fix/getter-setter

Fix/getter setter

Author: ryanmcdermott

README.md

@@ -946,6 +946,39 @@ const bankAccount = new BankAccount();
 
 // Buy shoes...
 bankAccount.withdraw(100);
+```
+
+**Good**:
+```javascript
+class BankAccount {
+ constructor(balance = 1000) {
+ this._balance = balance;
+ }
+
+ // It doesn't have to be prefixed with `get` or `set` to be a getter/setter
+ set balance(amount) {
+ if (verifyIfAmountCanBeSetted(amount)) {
+ this._balance = amount;
+ }
+ }
+ 
+ get balance() {
+ return this._balance;
+ }
+ 
+ verifyIfAmountCanBeSetted(val) {
+ // ...
+ }
+}
+
+const bankAccount = new BankAccount();
+
+// Buy shoes...
+bankAccount.balance -= shoesPrice;
+
+// Get balance
+let balance = bankAccount.balance;
+
 ```
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