Javascript: 16 erros comuns

16 Common JavaScript Gotchas

www.standardista.com/javascript/15-common-javascript-gotchas

1. Case sensitivity: Variable names, properties and methods are all case sensitive

2. Mismatching quotes, parenthesis or curly braces will throw an error

3. Conditional Statments:3 common gotchas

4. Line breaks: Always end statements in semi-colons to avoid common line break issues

5. Punctuation:Trailing commas in object declarations will trip you up

6. HTML id conflicts

7. Variable Scope: global versus local scope

8. string replace function isn’t global

9. parseInt should include two arguments

10. ‘this’ and binding issues

11. Function overloading: Overwriting functions, as overloading doesn’t exist

12. Setting default values for parameters in case you omit them

13. For each loops are for objects, not arrays

14. switch statements are a little tricky

15. Always check for Undefined before checking for null

16. Function location may matter

E ainda

W3: JavaScript Common Mistakes

https://www.w3schools.com/js/js_mistakes.asp

Buggy JavaScript Code: The 10 Most Common Mistakes JavaScript Developers Make

https://www.toptal.com/javascript/10-most-common-javascript-mistakes