JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//cdnjs.cloudflare.com/ajax/libs/mustache.js/0.7.2/mustache.min.js"></script>
<script type="text/mustache-template" id="columns">
    
    <div id="content">
        <div class='col1'>
            {{#this[0]}}
                <span> {{this.name}} is {{@index}} </span>
            {{/this[0]}}
        </div>
        <div class='col2'>
            {{#this[1]}}
                <span> {{this.name}} is {{@index}} </span>
            {{/this[1]}}
        </div>
        <div class='col3'>
            {{#this[2]}}
                <span> {{this.name}} is {{@index}} </span>
            {{/this[2]}}
        </div>
        <div class='col4'>
            {{#this[3]}}
                <span> {{this.name}} is {{@index}} </span>
            {{/this[3]}}
        </div>                
        
    </div>
    
</script>

CSS

#content{
    width:80%;
    border:2px solid gray;
    box-sizing:border-box;
}

#content div{
    width:25%;
    border:1px solid red;
    box-sizing:border-box;
}

span{
    display:block;
}

JavaScript

var staticData = {
	datas : [
		{"name": "Test Task #1", "date": "12/01/2012", "assigned": "John Doe" },
		{"name": "Test Task #2", "date": "12/02/2012", "assigned": "John Doe" },
		{"name": "Test Task #3", "date": "12/03/2012", "assigned": "John Doe" },
		{"name": "Test Task #4", "date": "12/04/2012", "assigned": "John Doe" },
		{"name": "Test Task #5", "date": "12/05/2012", "assigned": "John Doe" },
		{"name": "Test Task #6", "date": "12/06/2012", "assigned": "John Doe" },
		{"name": "Test Task #7", "date": "12/07/2012", "assigned": "John Doe" }
	]
};

var newArray = [], columns = 4;

$.each(staticData.datas, function (index, value) {
    for(i=0;i < columns; i++){
        newArray[i] == undefined ? newArray[i] = [] : newArray[i]; //creating new arrays
    }
    newArray[index % 4 ].push(value); //pushing the appropriate values
});

var html = Mustache.render($('#columns').html(), newArray); //sending the hole new array.
$('body').append(html);