Alternative JS solution to `switch` statement or suite of `if` statements.

alternative_switch.js

/*
  Alternative solution to switch statement or a suite of if statements
  using an object literal in JS to store cases.
  
  if (type == "save") { }
  if (type == "delete") { }
*/

function operation(type, opts) {
  var handler = {
    "save"  : function(opts) { console.log("save") },
    "delete": function(opts) { console.log("delete") }
  }[type]

  handler ? handler.call(this, opts) : console.error('Unkown type: ' + type);
}

operation('save', {})
operation('delete', {})
operation('fake', {})