JS: Handlebars Simple Iteration Helper

handlebars-times-helper.js

Handlebars.registerHelper( 'times', function( n, block ) {
    var accum = '',
        i = -1;

    while( ++i < n ) {
        accum += block.fn( i );
    }

    return accum;
});

How To:

{{#times 3}}
<span>{{this}}</span>
{{/times}}

Print:

<span>1</span>
<span>2</span>
<span>3</span>