1. dojo.hitch: Takes a function as the parameter and execute it
var alerter = {
doAlert: function(){
alert("something");
}
}
dojo.hitch(alerter, doAlert);2. Array methods: dojo.forEach(), dojo.every(), and so on
3. Type methods: dojo.isString(), dojo.isArray()...
4. Object Coping: dojo.mixin(), dojo.clone()...