eqeq [JavaScript snippet]

function main() {

  txt_out(null  == undefined); // true
  txt_out(false ==         0); // true
  txt_out(""    ==         0); // true
  txt_out("42"  ==        42); // true

  // ---

  var o1 = {foo: "bar", bar: {q : "bbb", m: [1, 2, 'three',]}, cdefg: "defgh"};
  var o2 = {foo: "bar", bar: {q : "bbb", m: [1, 2, 'three',]}, cdefg: "defgh"};

  txt_out(o1 ==  o2); // false
}