JS variables in Unicode

wat.js

(function () {
  'use strict';
  
  var Λ_Λ = console.log,
    ಠ_ಠ = "feeling happy",
    ↂ = "look mom no hands",
    iǃ = Infinity,
    Θ_Θ = "hey buddy",
    Ψ = function(e){throw e;};
  
  Λ_Λ (ಠ_ಠ); // "feeling happy"
  Λ_Λ (ↂ); // "look mom no hands"
  Λ_Λ (++iǃ); // Infinity
  Λ_Λ (Θ_Θ); // "hey buddy"
  
  try {
    Ψ("bug!");
  } catch(e) {
    Λ_Λ ("sorted");
  };

})();