给自己提个醒，渲染模版引擎handlebars已经足够好用了，不要再到处乱看浪费时间了。

<html>
<body onload="renderHello()">
<div id="target">Loading...</div>
<script id="template" type="x-tmpl-mustache">
Handlebars <b>{{doesWhat}}</b>   <br>
{{loudHelper doesWhat}} <br>

{{{timeHelper time}}} <br>
{{time}} <br>

{{{listHelper names}}} <br>

{{#listHelper names}}
    <b>{{firstName}}</b>
{{/listHelper}}

</script>

<br>
<br>

<script src="https://cdn.jsdelivr.net/npm/handlebars@latest/dist/handlebars.min.js"></script>
<script>

    function toDateString(values,field){
        if (!field || !values){
            return "";
        }
        field = field.trim();
        var value = values[field];
        if (!value){
            return "";
        }
        var d = new Date(value);
        return d.toDateString();
    }

    var tableColumns = [
        {
            title:"xxNo",
            cell:"Handlebars: <div data-click='emit:aaa:aaa' href='/sss/sdsds'>xxNo: {{xxNo}}</div><div>yyNo: {{yyNo}}</div><div>日期: {{{timeHelper time}}}</div>",
        }
    ];

    function renderHello() {
        var template = document.getElementById('template').innerHTML;
        var compiled = Handlebars.compile(template);

        Handlebars.registerHelper('loudHelper', function (aString) {
            return aString.toUpperCase()
        })

        Handlebars.registerHelper('timeHelper', function (t) {
            return new Date(t).toDateString();
        })

        Handlebars.registerHelper("listHelper", function(items, options) {
            const itemsAsHtml = items.map(item => {
                let s = item;
                if (typeof options.fn === "function"){
                    const s1 = options.fn(item).trim();
                    if (s1.length > 0){
                        s = s1;
                    }
                }
                return "<li>" + s + "</li>"
            });
            return "<ul>\n" + itemsAsHtml.join("\n") + "\n</ul>";
        });

        document.getElementById('target').innerHTML = compiled({
            doesWhat: "rocks!",
            time: Date.now(),
            names: [
                "bbb",
                {firstName:'fff'}
            ]
        });
    }
</script>
</body>
</html>

巴特西

给自己提个醒，渲染模版引擎handlebars已经足够好用了，不要再到处乱看浪费时间了。

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