jquery交替變換顏色的三種方法 實例代碼_jquery

複製程式碼 程式碼如下:

$(function(){
   alert("第一種");
    $("tbody tr:even").css("背景顏色", "紅色");
    $("tbody tr:odd").css("background-color", "yellow");

   alert("第四");
    $("tbody tr").每個(函數(索引){
                                 if(0 == index%2)
                                      $(this).css("背景顏色", "藍色" );  
}
                         if(1 == index%2)                                                }
});

   alert("第三種");
    rows = document.getElementsByTagName("tr");
    var length = rows.length 🎜> for imm i ){
       警報(i);
       if(0==i%2){
            {
           rows[i].style.backgroundColor="#0000FF";
       }   
頭>

    ;
   
   
   
       

aaa	aaa	aaa
bbb	bbb	bbb
aaa	aaa	aaa
bbb	bbb	bbb
aaa	aaa	aaa
bbb	bbb	bbb