Using a variable name that should be avoided

In the "[Grocery Bud](https://github.com/john-smilga/javascript-basic-projects/blob/master/14-grocery-bud/final/app.js)" project one of the variable names is "alert" which based on [this](https://github.com/AnanthaRajuC/Reserved-Key-Words-list-of-various-programming-languages/blob/master/language-files/JavaScript%20Reserved%20Words.md#windows-reserved-words) page should be avoided.