attribute you want to change: 

var tyrion =...">

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  <meta property="og:title" content="Working with Records - Models - Ember Guides">

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  <meta property="og:description" content="Modifying Attributes 

Once a record has been loaded, you can begin making changes to its attributes. Attributes behave just like normal properties in Ember.js objects. Making changes is as simple as setting the attribute you want to change: 

var 