javascript see all variables code example

Example 1: see all functions in a website with console

for(var b in window) { 
  if(window.hasOwnProperty(b)) console.log(b); 
}

Example 2: print all variables defined javascript

var n, arg, name;
alert("typeof this = " + typeof this);
for (name in this) {
    alert("this[" + name + "]=" + this[name]);
}
for (n = 0; n < arguments.length; ++n) {
    arg = arguments[n];
    alert("typeof arguments[" + n + "] = " + typeof arg);
    for (name in arg) {
        alert("arguments[" + n + "][" + name + "]=" + arg[name]);
    }
}