A rough guide for migrating functions from ES5 to ES6 would be: 1. Function declarations --> function declarations 2. Function expressions --> arrow functions 3. IIFEs --> blocks 4. Functions in object literals --> concise method syntax 5. Constructors --> classes 6. New: generator functions
These rules are easy to understand, with one exception: You can’t have a function declaration with lexical |this| (that is, #1 is a potential source of confusion). Have there been ideas for this? I’m thinking arrow function declarations (but without syntactic expression-versus-declaration ambiguity). Axel -- Dr. Axel Rauschmayer [email protected] home: rauschma.de twitter: twitter.com/rauschma blog: 2ality.com
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