js中cookie的添加、取值、删除

function setCookie(name,value,time){ var oDate = new Date(); oDate.setDate(oDate.getDate()+time); document.cookie = name+ "=" +value+ ";expires=" +oDate; } function getCookie(name){ var arr = document.cookie.split( "; " ); for ( var i=0; i<arr.length; i++){ var arr2 = arr[i].split( "=" ); if (arr2[0] == name){ return arr2[1]; } } return "" ; } function removeCookie(name){ setCookie(name, "" ,0) }