very simple templating system in javascript

simple.template.js

var template = function(template, model) {
  for(var p in model) {
    if( model.hasOwnProperty(p) ) {
      var re = new RegExp( "#{" + p + "}", "ig" );
      template = template.replace(re, model[p]);
    }
  }
  return template;
};
    
alert( template("hello #{name}, it's #{time}", { name: "jared", time: "today" }) );