Note that the type attribute is set to text/x-jquery-tmpl (text/html would do the trick as well). Anything other than text/javascript is ignored by the browser. Also, leaving it out entirely will default to text/javascript (thank you, HTML5 for making it OK to do that).
Data:
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varbooks=[{name:'The Gunslinger',year:'1982'},{name:'The Drawing of the Three',year:'1987'},{name:'The Waste Lands',year:'1991'},{name:'Wizard and Glass',year:'1997'},{name:'The Wolves of the Calla',year:'2003'},{name:'Song of Susannah',year:'2004'},{name:'The Dark Tower',year:'2004'},{name:'The Wind Through the Keyhole',year:'2012'}];
To be totally explicit: the first selector is the ID of the template (script tag), the argument being passed to .tmpl is the array, and then we’re appending the whole thing to the #tower-list object in the DOM.