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What does the unary plus operator do in JavaScript?

  • Thread starter Thread starter chills42
  • Start date Start date


While looking at the jslint code conventions I saw this line:

total = subtotal + (+myInput.value);

What is the purpose of the second '+'?

<p>While looking at the <a href="http://javascript.crockford.com/code.html" rel="noreferrer">jslint code conventions</a> I saw this line:</p>

<pre><code>total = subtotal + (+myInput.value);

<p>What is the purpose of the second '+'?</p>

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