如何在 javascript 函数中使用 html 标签构建列表

Question

我已经编写代码来显示 javascript 的日期（月、日、日编号和年）并将其放在 ul 中。

我的问题是如何在 javascript 函数中使用 html 标签构建 li（以便我可以放置中断）因为现在如果我要执行以下操作

var output = "<li>" + month_full[monthFull] + "<br/>" +  weekDay[day] + "</li>";
return output;

它将准确输出其显示的内容 -> http://gyazo.com/5a67f3dbd7db07254bd38d58116aac7c

您可以水平滚动浏览我的月份。现在我想像这样构建它：http://gyazo.com/adb760c912691a7ce26b1cc40d89d1df

检查我的 jsfiddle 看看我现在有什么：https://jsfiddle.net/GY22/vqfk8yLL/2/

我的 javascript 代码如下：

<script>
// Get today's current date.
var now = new Date();
console.log(now);

// Calculates the number of the week
var weekNumber = ((now.getDate()<10) ? "0" : "")+ now.getDate();
console.log("The current week number is: " + weekNumber);

// Array list of months.
var month_full = new Array(12);
month_full[0] = "January";
month_full[1] = "February";
month_full[2] = "March";
month_full[3] = "April";
month_full[4] = "May";
month_full[5] = "June";
month_full[6] = "July";
month_full[7] = "August";
month_full[8] = "September";
month_full[9] = "October";
month_full[10] = "November";
month_full[11] = "December";
//console.log(month[3]);

var weekDay = new Array(7);
weekDay[0]=  "Su";
weekDay[1] = "Mo";
weekDay[2] = "Tu";
weekDay[3] = "We";
weekDay[4] = "Th";
weekDay[5] = "Fr";
weekDay[6] = "Sa";

function weekNr_Month(date){
    var month = date.getUTCMonth(); 
    return month[month];
}

function formatDate(date) {
    var month = date.getUTCMonth() +1;
    var dayNumber = date.getUTCDate();
    var year = date.getUTCFullYear();
    var day = date.getUTCDay();
    var monthFull = date.getUTCMonth(); 

    return month_full[monthFull] + " " +  weekDay[day] + ": " + dayNumber + "-" + month + "-" + year + ";  ";
}
console.log(formatDate(new Date()));

var today

function addListItem(){
    var createListItem = document.createElement("li");
    var outputListItem = document.createTextNode(today);

    createListItem.appendChild(outputListItem);
    var createUl = document.getElementsByTagName("ul");
    createUl[0].appendChild(createListItem);
}

// loop starting from may up untill for months from the set date
for (var i = 1; i < 122; i++){
    today = formatDate(new Date(2015, 05, i));
    //document.write(today + "<br />");
    addListItem();
}

document.getElementById('timeline').
getElementsByTagName('li')[(new Date()).getDate() + 1].className += ' currentDate';

</script>

Answer 1

那是因为您创建的是文本节点而不是 html 内容。试试这个：

var createListItem = document.createElement("li");
    createListItem.innerHTML = today;

如何在 javascript 函数中使用 html 标签构建列表

How to build up a list with html tags in a javascript function

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