GOOD, DOM

And the DOM BOM
BOM browser object model
the window.open (URL, '', 'width = 400px, 400px height =')
the window.opener () function can be called sub-page parent page directly by this method
the window.close ()

window.location.href to get the current web page where the url
window.location.href current url = Jump to a specific url
usually a combination of ajax be used with

a timer related
setTimeOut
clearTimeout


setInterval
clearInterval
timer example of

a pop-up
Alert
Confirm the
prompt


the DOM document Object model
the concept of the DOM tree

how to find labels
basic selectors
document.getElementById label object itself
document.getElementsByClassName array
document.getElementsByTagName array of

how to operate the label
variable names to refer to if it is recommended that a label written in the format xxxEle
if referring to a jQuery object is it is recommended that in front of the variable name with a $
eg: p tag
PELE
$ PELE

node operation
document.createElement ( 'name tag')

appendChild
parent tag .insertBefore (newly created label, already has a label)


Sets the label property
custom properties: setAtrribute (): both can be set from defined herein may be provided default
default attributes: attribute name tag disposed directly


obtain the value
.Value


the innerText: text label does not recognize
the innerHTML: text label identifying


classList.remove () >>> removeClass ()
classList.add () >>> . addClass ()
classList.contains >>> hasClass ()
classList.toggle >>> toggleClass ()
light switch exemplary



css operation
style.color
style.fontSize


js binding event
js code writing position
1.window.onload
2. recommended write introducing the bottom body is also true in the external file

light switch exemplary
xxxEle.Event name function = () {
// event code
}
Click event onclick

the INPUT box acquiring / losing focus
the onfocus
onblur

timer


provinces linkage



jQuery
library

$ () jQuery ()

$ (selector) .action (parameters)

The basic selectors

descendant selectors

attribute selectors

native js objects and jQuery object into
jQuery object is similar to an array which is one of the object tags (native objects js)

$ (js native objects) >>> jQuery object