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JavaScript Introducing the Practice

Posted by Ian Ostrom
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Ian Ostrom
Full Stack JavaScript Techdegree Student 10,332 Points

+recipeId in index.js

In case anyone else was wondering what the + sign was doing in line 14 of index.js, apparently it converts the following variable from a string to a number.

2 Answers

Zimri Leijen
Zimri Leijen
11,835 Points
Zimri Leijen
Zimri Leijen
11,835 Points

Correct, +var is like Number(var).

Brian Wright
Brian Wright
6,770 Points
Brian Wright
Brian Wright
6,770 Points

req.params will always return a string value and as the id value in the recipe object is a number the req.params.id value needs to always be a number for === to match.