Binding Methods to Objects

gistfile1.js

//usually used in event processing
var obj = {
  msg: 'Name is',
  buildMessage: function (name) {
    return this.msg + ' ' + name;
  }
}

alert(obj.buildMessage('John')); // displays: Name is John

f = obj.buildMessage;
alert(f('Smith')); // displays: undefined Smith

g = bind(obj, obj.buildMessage);
alert(g('Smith')); // displays: Name is Smith

//original url: http://codetunnel.com/9-javascript-tips-you-may-not-know/#string-concatenation-vs-arrayjoin