Javascript Learning (2) -- events

JavaScript is an object-based language. One of its most basic features is event-driven. Events are signals generated when some actions occur. These events can occur at any time. The action that causes the event is called a trigger event. For example, when the mouse pointer goes through a button, the user clicks... SyntaxHighlighter. all ();

JavaScript is an object-based language. One of its most basic features is event-driven. Events are signals generated when some actions occur. These events can occur at any time. The action that causes the event is called a trigger event. For example, when the mouse pointer goes through a button, the user clicks a link, the user selects a check box, and the user inputs certain information in the text box, events are triggered.

To help readers find common events in JavaScript, the following describes events in a table, as shown in table 9.3.

Table 9.3 common events in JavaScript: www.2cto.com

Status	Event	Description
Form-related events	Onblur	This event is triggered when the current element loses focus.
	Onchange	This event is triggered when the current element loses focus and the element content changes.
	Onfocus	This event is triggered when an element gets focus
	Onreset	This event is triggered when the reset attribute in the form is activated.
	Onsubmit	This event is triggered when a form is submitted.
Rolling subtitle events	Onbounce	Content in Marquee is moved to the Marquee display range This event is triggered
	Onfinish	This event is triggered when the Marquee element completes the content to be displayed.
	Onstart	This event is triggered when the Marquee element begins to display content

 

Continue table
 

Status	Event	Description
Mouse and keyboard events	Onclick	This event is triggered when you click the mouse.
	Ondblclick	This event is triggered when you double-click the mouse.
	Onmousedown	Trigger this event when you press the mouse
	Onmouseup	This event is triggered when you press the mouse and release the mouse.
	Onmouseover	This event is triggered when you move the cursor over an object range.
	Onmousemove	This event is triggered when you move the mouse.
	Onmouseout	This event is triggered when the mouse leaves an object range.
	Onkeypress	This event is triggered when a key on the keyboard is pressed and released
	Onkeydown	This event is triggered when a button on the keyboard is pressed.
	Onkeyup	This event is triggered when a key on the keyboard is pressed and released.
Page related events	Onabort	This event is triggered when an image is interrupted during download.
	Onload	This event is triggered when the page content is complete (that is, the page loading event)
	Onresize	This event is triggered when the browser window size is changed
	Onunload	This event is triggered when the current page is changed

FF: Firefox, N: Netscape, IE: Internet Explorer

Attribute	This event occurs when the following conditions occur:	FF	N	IE
Onabort	Image loading interrupted	1	3	4
Onblur	Element loses focus	1	2	3
Onchange	User changes domain content	1	2	3
Onclick	Click an object	1	2	3
Ondblclick	Double-click an object	1	4	4
Onerror	An error occurs when a document or image is loaded.	1	3	4
Onfocus	Element focus	1	2	3
Onkeydown	The key of a keyboard is pressed.	1	4	3
Onkeypress	The key of a keyboard is pressed or pressed	1	4	3
Onkeyup	The key of a keyboard is released.	1	4	3
Onload	A page or image is loaded	1	2	3
Onmousedown	A mouse button is pressed	1	4	4
Onmousemove	Move the mouse	1	6	3
Onmouseout	Move the mouse away from an element	1	4	4
Onmouseover	Move the mouse over an element	1	2	3
Onmouseup	A mouse button is released	1	4	4
Onreset	Reset button clicked	1	3	4
Onresize	Window or frame size adjusted	1	4	4
Onselect	Text selected	1	2	3
Onsubmit	The submit button is clicked.	1	2	3
Onunload	User exit page	1	2	3

 

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