JavaScript Learning Note 1

　　I. JavaScript INTRODUCTION

JavaScript is also known as JS, mainly responsible for the browser animation and other effects. Now the General browser is compatible with JS (IE6.7.8 may not be compatible with some usage).

　　Two. JS Common statements

　　1.document.write ();

Can be used directly with the HTML output stream, that is, the ability to directly in the Web page content output.

Instance:

　　2.alery ();

Web page bullets//No click on the page to do the next step

Instance:

　　

　　3.confirm ();

message dialog box, Web page frame information user Click after the judgment, often used in the user to choose.

Instance:

　　

　　4.prompt ();

A message dialog box, often used to communicate information to a user.

Instance:

　　

　　5.window.open (opens a new window) with Window.close (Close window)

Grammar:

Open window: window.open ([url],[window name],[window parameter]);

Close window: Window.close ();//close this window

< Window object >.close ();//close specified window

　　 6. Get the tag ID

Syntax: document.getElementById ("id");

Instance:

　　

　　7.innerHTML

Used to get or replace HTML element content.

Syntax: object.innerhtml

Instance:

　　

　　8. Use JS to modify the style of HTML elements

Syntax: Object.style.property=new style;

Instance:

　　

　　9.display//Show or hide

Grammar:

Object.style.display = value

Value:

onoe;//Hidden

block;//Display

Instance:

　　

　　10. Control class Name (classname property)

Gets the class property of the element, specifying a CSS style for an element of the page to change the appearance of the element.

Grammar:

Object.classname = ClassName

Instance:

　　

JavaScript Learning Note 1