JavaScript functions, Events

1. Functions
String functions

var s=new string ();

var ss= "Hello World";

var sss= "" HELLO, World ";

Alert (Ss.tolowercase ());--Convert to lowercase

Alert (Sss.touppercase ());--Convert to uppercase

Alert (SS.SUBSTR (2,3));--intercept string, starting at index 2, intercept 3 character length, not write the following number is truncated to the last

Alert (ss.substring (2,3));--intercepts a string from the 2nd position to the 3rd position

Sss.splite (",");--separates the string according to the specified character

Ss.length property, String length

Ss.indexof ("World");---Find the first occurrence of world in a string, return 1

Ss.lastindexof ("O");--Find the last occurrence of the position in the string

Time-Date function

var d=new date ();--Current time

var dd=new date (1999,3,2);--Define Time

Dd.getfullyear ();--Take the year

Dd.getmonth ();--Take the month, take out the 1 less

Dd.getdate ();--Date taken

Dd.getday ();--Take the day of the week

...

Dd.setfullyear ();--set year, set month note +1

Mathematical functions

Math.ceil ();--Take the upper limit

Math.floor ();--Take the lower limit

Math.sqrt ();--Open square

Math.Round ();--Rounding

Math.random ();--random number, 0-1

2. All Events
onclick--Click events
ondblclick--Double-click event

onmouseover--Mouse Move in
onmouseout--Mouse Removal

onfocus--Get Focus
onblur--loses focus

onkeyup--trigger when the button is lifted

window.onload--triggered when the button is pressed

window.onresize--Trigger when size changes

window.onload--page load-out trigger

3. Supplement

Block Event bubbling:
Window.event? window.event.cancelBubble = True:e.stoppropagation ();

JavaScript functions, Events