jquery case-interlaced color change
<!--导入js-->
<script type="text/javascript" src="../js/jquery-3.3.1.js"></script>
<script type="text/javascript">
$(function () {
$("tr:gt(1):even").css("background-color","red");
$("tr:gt(1):odd").css("background-color","blue");
});
jquery case-select all unselect all
<script type="text/javascript">
$(function () {
//1:给全选框绑定点击事件
$("#checkedAllId").click(function () {
//2:获取全选框的选中状态
var flag = $("#checkedAllId").prop("checked");
//3:将全选框状态赋值给所有的行选框
$(".itemSelect").prop("checked",flag);
});
});
</script>
jquery case-QQ expression
<script type="text/javascript">
//this是js对象
//1:给所有的标表情图片添加点击事件
$("li img").click(function () {
//2:将每一张图片,克隆一份添加到请发言的后边
var newImgEle = $(this).clone();
$(".word").append(newImgEle);
//3:给每一张克隆的图片绑定一个点击事件
newImgEle.click(function () {
//点击之后,删除自己
$(this).remove();
});
});
</script>
jquery summary
》》1: Don’t memorize it by rote, just understand it.
》》2: Check the document when you need a function.
》》3: The more you use, the more familiar