bootstrap 问号鼠标悬浮 显示提示信息

<spanclass="glyphicon glyphicon-question-sign" rel="drevil"data-container="body" data-toggle="popover" data-placement="bottom"data-content="通过单击项目将其移出已选列表(同时放回可选列表)"></span>//提示信息在data-content中修改

$(function () {$("[data-toggle='popover']").popover(); });$("[rel=drevil]").popover({trigger:'manual',html: 'true', animation: false}).on("mouseenter", function () {var _this = this;$(this).popover("show");$(this).siblings(".popover").on("mouseleave", function () {$(_this).popover('hide');});}).on("mouseleave", function () {var _this = this;setTimeout(function () {if (!$(".popover:hover").length) {$(_this).popover("hide")}}, );});