Commit b59bbdd

committed

mixins, borrowing methods

1 parent f64c733 commit b59bbddCopy full SHA for b59bbdd

File tree

+18

-0

lines changed

+18

-0

lines changed

Lines changed: 18 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -163,3 +163,21 @@ function extend (parent, child) {`
`163`	`163`	`* shallow copy just copies references of arrays and object`
`164`	`164`	`* children can modify parent properties :(`
`165`	`165`	`* deep copy is when array elements and object properties are copied as well`
	`166`	`+`
	`167`	`+## mixins`
	`168`	`+`
	`169`	`+* just deep copy all properties from multiple objects and mix in to a new Object`
	`170`	`+* not like mixins in other languages, here: no link to parent`
	`171`	`+`
	`172`	`+## borrowing methods`
	`173`	`+`
	`174`	`+* sometimes you want to use one or two methods of an existing Objects`
	`175`	`+* you don't want a parent-child relationship with that Object`
	`176`	+* can be done with ```call``` and ```apply```
	`177`	+* pass in your object to bind ```this``` to within the function
	`178`	`+`
	`179`	+```js
	`180`	`+notMyObject.doStuff.call(myObject, param1, param2);`
	`181`	`+//or`
	`182`	`+notMyObject.doStuff.apply(myObject, [param1, param2]);`
	`183`	+```

Comments

(0)