1. Animated
(1) Css style provides sports
Transition of property transition is called the transition from one situation to another situation
Transition:attr time linear delay；
Attr is changing property
Time is the time it takes to
Linear speed of change
Delay is delayed
Review background: url () no-repeat 50% 50% red;
Background-image
Background-repeat
Background-position
Background-color
(2) Js movement provided
Elements of client offset scroll three series
clientWidth/clientHeight/clientTop/clientLeft
offsetWidth/offsetHeight/offsetLeft/offsetTop/offsetParent
scrollWidth/scrollHeight/scrollTop/scrollLeft
Thirteen attributes, the foregoing is a read-only attribute, scrollTop and scrollLeft are i.e., readable and writable
Gets the browser of body attributes are compatible
Var dd=document.body||document.documentElement
scrollTop and scrollLeft minimum value is 0
Get body height of the entire document
document.body.scrollHeight||document.documentElement.scrollHeight
Get a high browser screen ( browser viewing area )
Document.body.clientHeight||document.documentElement.clientHeight
Window two events in
onscroll when the scroll bar to scroll when the trigger
onresize when the window changes trigger
BOM browser object model
1.window.open(url,ways)
url is open the web address
ways to open the way _self
2.window.close()
3. The browser user information
window.navigator
4. browser's address information
window.location
5.window.history record browser access history
window.history.forward () forward the latest access records
window.history.back () returns
Analytic functions
If his function as a function of view, can only play a mean function can be encapsulated.
If we look at the function as a function object, you can achieve some inherited.
Can console dir (fn)
Can be found in natural objects with prototype chain function call (), apply (), bind () three methods.
These three methods can be varied within the function this point
A.Call (B, C, D) . B substituents of A in the this , then the B to the call
function add(a,b){
console.log(this)
return a+b
}
function jian(a,b){
return a-b
}
// add(5,3)
var s=add.call(jian,5,6)
console.log(s)
jian add replaced in this, and then add to calls
Call and apply a difference
case study
Math.max (34,, 45,6,12) find the maximum term of these figures, but the argument must be a number.
Now we have a arr = [24,25,56,5] want math to find the largest item inside
var s=Math.max.apply(null,arr)
