2fon in jquery

1$( "#dataTable tbody tr" ).on( "click", function() {
2  console.log( $( this ).text() );
3});
4

1$( "#target" ).click(function() {
2  alert( "Handler for .click() called." );
3});
4

1$('button').on('click', function() {
2  alert('button was clicked!');
3});

1$(document).on("click","#test-element",function() {});

1function notify () {
2  alert("clicked" );
3}
4$("button").on("click", notify );