JavaScript For Java Developers

Spaces, new lines, tabs, semicolons.

“Semicolon insertion was a huge mistake”. Douglas Crockford

The topic contains problems related to:

• "Automatic semicolon insertion" (ASI);
• "defensive semicolon" concept;
• The five problematic tokens;
• five restricted productions;
• Immediately-Invoked Function Expression (IIFE)

Set of the problems:

• Spaces, new lines, tabs, semicolons.

Links to read:

• wikipedia.org: Whitespace and semicolons
• wikipedia.org: Immediately-invoked function expression
• A lot of details: Immediately-Invoked Function Expression (IIFE)
• pdf document: ECMAScript® 2015 Language Specification
• Effective JavaScript: Looks here in case you think that really know how it works