<html><head><script>function myFunction(elmnt,clr){elmnt.style.color=clr;}</script></head><body><p onmousedown="myFunction(this,'red')" onmouseup="myFunction(this,'green')">Click the text to change the color. A function, with parameters, is triggered when the mouse button is pressed down, and again, with other parameters, when the mouse button is released.</p></body></html>