The SpiderMonkey JavaScript engine’s parser once supported a nonterminal symbol GuardedCatchClause, which when parsed would produce entries in the .guardedHandlers property of the associated TryStatement; this property also appeared in the ESTree spec at the time. Unfortunately I have not found any references to the syntax of try statements with GuardedCatchClauses on the web. What was the actual syntax and
Tag: spidermonkey
Are JavaScript Arrays actually implemented as arrays?
The difference between a JavaScript Array, and Object is not very big. In fact it seems Array mainly adds the length field, so you can use both Arrays and Objects as numeric arrays: So my questions is, in popular JavaScript engines (V8, JavaScriptCore, SpiderMonkey, etc.), how is this handled? Obviously we do not want our arrays to be actually stored
How can I get the memory address of a JavaScript variable?
Is it possible to find the memory address of a JavaScript variable? The JavaScript code is part of (embedded into) a normal application where JavaScript is used as a front end to C++ and does not run on the browser. The JavaScript implementation used is SpiderMonkey. Answer If it would be possible at all, it would be very dependent on