Examples of using JavaScript to react to events
Input Events
onblur - When a user leaves an input fieldonchange - When a user changes the content of an input field
onchange - When a user selects a dropdown value
onfocus - When an input field gets focus
onselect - When input text is selected
onsubmit - When a user clicks the submit button
onreset - When a user clicks the reset button
onkeydown - When a user is pressing/holding down a key
onkeypress - When a user is pressing/holding down a key
onkeyup - When the user releases a key
onkeyup - When the user releases a key
onkeydown vs onkeyup - Both
Mouse Events
onmouseover/onmouseout - When the mouse passes over an elementonmousedown/onmouseup - When pressing/releasing a mouse button
onmousedown - When mouse is clicked: Alert which element
onmousedown - When mouse is clicked: Alert which button
onmousemove/onmouseout - When moving the mouse pointer over/out of an image
onmouseover/onmouseout - When moving the mouse over/out of an image
onmouseover an image map
Click Events
Acting to the onclick eventonclick - When button is clicked
ondblclick - When a text is double-clicked
Load Events
onload - When the page has been loadedonload - When an image has been loaded
onerror - When an error occurs when loading an image
onunload - When the browser closes the document
onresize - When the browser window is resized
Others
What is the keycode of the key pressed?What are the coordinates of the cursor?
What are the coordinates of the cursor, relative to the screen?
Was the shift key pressed?
Which event type occurred?