Nov 2, 2009 · I’ve also created a tool that will tell you if any string that you enter is a valid JavaScript variable name according to ECMAScript 5.1 and Unicode 6.1: P.S. To give you an idea of how wrong Anthony Mills' answer is: if you were to summarize all these rules in a single ASCII-only regular expression for JavaScript, it would be 11,236 ...

Sep 9, 2018 · I am trying to use a variable as another variables name. For example, I have the following: var dynamicname = 'name1_' And I am trying to set it as the name of a new variable like this: dynamicna...

I'm often working with huge JavaScript libraries with other people, so functions and variables (except the private variables inside functions) got to start with the service's name to avoid conflicts, as "guestbook_message". In short: English, lower-cased, well-organized variable and function names is preferable according to me.

Feb 1, 2012 · Object property naming rules and variable naming rules are separate. The standard only "reserves" a handful of property names (such as prototype and constructor, IIRC), but other than those, any string goes. Except when the execution environment (i.e. the browser) decides to add more magic properties, of course.

Jan 10, 2017 · Both JSON and JavaScript allow any string to be used as object property names. The JSON specification, RFC 8259, imposes no limits imposed on the value of strings used as JSON object names: An object structure is represented as a pair of curly brackets surrounding zero or more name/value pairs (or members). A name is a string.

Feb 25, 2011 · 2019 . TL;DR. eval operator can run string expression in the context it called and return variables from that context;

Sep 17, 2010 · Function name from a variable in Javascript. 2. Javascript variable name as function. 1.

Sep 17, 2011 · I’ve also created a tool that will tell you if any string that you enter is a valid JavaScript variable name according to ECMAScript 5.1 and Unicode 6.3: P.S. If you were to summarize all these rules in a single ASCII-only regular expression for JavaScript , it would be over 9,000 characters long .

Jan 6, 2010 · I’ve also created a tool that will tell you if any string that you enter is a valid JavaScript variable name according to ECMAScript 5.1 and Unicode 6.1: P.S. To give you an idea of how wrong the currently accepted answer is: if you were to summarize all these rules in a single ASCII-only regular expression for JavaScript, it would be 11,236 ...

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