A conditional helpers for handlebars to check if a value is in an array
var arrayOfStuff = ['apples', 'oranges'];
{{#inArray arrayOfStuff 'apples'}}
This will output
{{else}}
This will not
{{/inArray}}
{{#inArray arrayOfStuff 'cannonballs'}}
This will not output
{{else}}
This will
{{/inArray}}