前端如何加载模板Template并解析模板输出解析后的内容

前端如何加载模板Template并解析模板输出解析后的内容，注意是前端哦？

例如：我html里有这个代码片段，期望解析里面的变量后输出解析后的内容：
html

<script id="taskrow_tpl" type="text/html">
    <div class="task_row pull-left task_status_<%=status%>">
        <span class="pull-left task_runtype_icon glyphicon glyphicon-tree-conifer" style="display: <%=runtype=='1'?'':'none'%>"aria-hidden="true" title="单次"></span>
        <span class="pull-left task_runtype_icon glyphicon glyphicon-refresh" style="display: <%=runtype=='2'?'':'none'%>"aria-hidden="true" title="次数循环"></span>
        <span class="pull-left task_runtype_icon glyphicon glyphicon-time" style="display: <%=runtype=='3'?'':'none'%>"aria-hidden="true" title="时间循环"></span>
        <span class="pull-left name"><%=id%>:<%=object_ids_zh%></span> 
        <span class="pull-right task_runtype_icon glyphicon glyphicon-off <%=status=='1'?'text-success':''%>" aria-hidden="true" title="<%=status=='1'?'执行中':'未开始'%>"></span>
        <span class="pull-right batchnum"><%=batchnum%>/<%=leftcount+batchnum%></span>
    </div>
</script>

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