JSFiddle - React, Tailwind, and code Playground

by jsgoupil

JavaScript

var a = {
    key: "value"
};
var b = {
    false: "boolean"
};
var c = {
    15: "integer"
};
var d = {
    1.5: "double"
};
var e = {
    class: "forbidden key"
};
var f = {
    "key": "value"
};


for (var key in a) {
    document.write(typeof(key) + " - " + key + "<br />");
}

for (var key in b) {
    document.write(typeof(key) + " - " + key + "<br />");
}

for (var key in c) {
    document.write(typeof(key) + " - " + key + "<br />");
}

for (var key in d) {
    document.write(typeof(key) + " - " + key + "<br />");
}

for (var key in e) {
    document.write(typeof(key) + " - " + key + "<br />");
}

for (var key in f) {
    document.write(typeof(key) + " - " + key + "<br />");
}