JSFiddle - React, Tailwind, and code Playground

by ronnjoe

JavaScript

function isArray(array,callback){
var arrayType = (typeof(array) === "object" && (array instanceof Array));
try {
 return (typeof(callback) ===undefined)?arrayType:(callback(arrayType));
} catch (e){
	console.log(e);  
} finally {
	return arrayType;
}
//return (typeof(callback) ===undefined)?arrayType:(callback(arrayType));
//return (typeof(callback) !=undefined)?abc = 2:abc=3;
}
var result = isArray([
"item1",
"item2",
"item3"
]);
function callback(value){
	return value;
}
console.log("isArray: " + result);