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when I write Python code from the interpreter I can type dir() to have a list of names defined in the current scope. How can achieve to have the same information, programmatically, when I develop Javascript code from a browser using an interactive console like firebug, chrome console, etc?
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dir() displays an interactive list of the properties of the specified JavaScript object. The output is presented as a hierarchical listing with disclosure triangles that let you see the contents of child objects. In other words, console.
The closest equivalent in all cases of what is passed to list() would be using the spread syntax from ES6. For older versions of JavaScript, you can use string. split('') for a character array.
Python dir() Function The dir() function returns all properties and methods of the specified object, without the values. This function will return all the properties and methods, even built-in properties which are default for all object.
Python's pass mainly exists because in Python whitespace matters within a block. In Javascript, the equivalent would be putting nothing within the block, i.e. {} .
There is keys method in Object, for example:
Object.keys(object) But this return object's own properties and methods only.
To list all properties and methods of an object I know 2 possibilities:
console.dir(object) method in firebug console for Firefox anddir(object) method in Google Chrome development tools.
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