as I write code in javascript, I often get typeErrors because of undefined when accessing a property in an object. Today, I learn various ways to handle that, so I can deliver my app without worrying of breaking the page.
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as I write code in javascript, I often get typeErrors because of
undefinedwhen accessing a property in an object. Today, I learn various ways to handle that, so I can deliver my app without worrying of breaking the page.