Bind a function to the click event of each matched element. A function to bind to the click event on each of the matched elements. $("p").click( function() { alert("Hello"); } ); <p onclick="alert('Hello');">Hello</p> <p>Hello</p> Trigger the click event of each matched element. This causes all of the functions that have been bound to thet click event to be executed. $("p").click(); alert('Hello'); <p onclick="alert('Hello');">Hello</p>