JSFiddle - React, Tailwind, and code Playground
HTML
<ul class="boxes_tree">
<li><strong>data</strong></li>
<script type="text/javascript">
var itemStr ='[{"var":"data1"},{"var":"data2"}]';
itemStr=$.parseJSON(itemStr);
if(itemStr){
for (var key in itemStr)
{
if (itemStr.hasOwnProperty(key))
{
document.write('<li>'+itemStr[key].var+'</li>');
}
}
}
</script>
</ul>