Javascript tips-JS tutorial

This article mainly introduces how to use JavaScript to obtain the key value of the left and right mouse keys. It is very simple, but very practical, especially when it is related to user interaction.

Function test () {alert (event. x + "" + event. y); alert (event. button);}/* The right-click menu does not display */document. oncontextmenu = function () {return false;}/* document. onmousedown = function () {if (event. button = 1) {alert ("left")} if (event. button = 2) {alert ("right")} */document. onkeydown = function () {alert (event. keyCode);} script

Event. x horizontal mouse axis
Event. y vertical axis of the mouse
Event. keycode keyboard Value
Events. button = 0 by default. No buttons are pressed.
Events. button = 1 left mouse button
Events. button = 2 right-click
Events. button = 3 press the mouse key at the same time
Events. button = 4 middle mouse buttons
Events. button = 5 press both the left mouse button and the middle mouse button
Events. button = 6 Right-click and press
Events. button = 7 all three keys are pressed