js_typeof: Get the type of a JavaScript object

In jeroen/js: Tools for Working with JavaScript in R

Description

JavaScript wrapper to typeof to test if a piece of JavaScript code is syntactically valid, and the type of object it evaluates to. Useful to verify that a piece of JavaScript code contains a proper function/object.

Usage

js_typeof(text)

Arguments

text	JavaScript code

Examples

js_typeof("function(x){return x+1}")
js_typeof("(function() {return 'foo'})()")
js_typeof("{foo : 123, bar : true}")

jeroen/js documentation built on June 9, 2020, 8:03 p.m.