JavaScript: Get the data type

JavaScript Function: Exercise-9 with Solution

Write a JavaScript function that accepts an argument and returns the type.

Note : There are six possible values that typeof returns: object, boolean, function, number, string, and undefined.

Sample Solution: -

HTML Code:

<!DOCTYPE html>
<meta charset=utf-8 />
<title>Detect JavaScript Data Types</title>

JavaScript Code:

function detect_data_type(value)
var dtypes = [Function, RegExp, Number, String, Boolean, Object], x, len;
if (typeof value === "object" || typeof value === "function") 
     for (x = 0, len = dtypes.length; x < len; x++) 
            if (value instanceof dtypes[x])
                return dtypes[x];
    return typeof value;

Sample Output:



Flowchart: JavaScript function: Get the data type

Live Demo:

See the Pen JavaScript -Check a number is prime or not-function-ex- 8 by w3resource (@w3resource) on CodePen.

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