```js
var called = 0;
var hash = (string) => {
called++;
var hash = 0;
for (var i = 0; i < string.length; i++) { hash += string.charCodeAt(i); }
return hash;
};
var HashTable = function() {
this.collection = {};
// change code below this line
// change code above this line
};
```
### Before Test
```js
var called = 0;
var hash = (string) => {
called++;
var hash = 0;
for (var i = 0; i < string.length; i++) { hash += string.charCodeAt(i); };
return hash;
};
```
## Solution