为什么在渲染部分之前使用 escape_javascript?

Why escape_javascript before rendering a partial?(为什么在渲染部分之前使用 escape_javascript?)

问题描述

I'm looking at this Railscast episode and wondering why the call to escape_javascript is needed here:

$("#reviews").append("<%= escape_javascript(render(:partial => @review)) %>");

What is escape_javascript used for?

According to the Rails docs:

escape_javascript(javascript)

Escape carrier returns and single and double quotes for JavaScript segments.

But that doesn't mean much to me.

Because you don't want users posting JavaScript that the browser actually executes?

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