JQuery common filters

$(function () {             $("tr td:odd").css("color", "red");//Start from index 0, index odd             $("tr td:even").css("color ", "green");//Start from index 0, index even number             $("tr td:eq(1)").css("background-color", "red");//Start from index 0, select The element whose index value is equal to eq()             $("tr td:gt(1)").css("background-color", "blue");//Starting from index 0,             $("tr td:contains('1')").css("background-color", "blue");//Select the element that contains text 1             $("tr td:has(span)").css("background- color", "blue");//Select the element that contains the span tag         })