Jquery: Replace string with only the first word
<p>I have been looking everywhere and can't find this..</p>

<p>I got a string and I want to replace the whole string with only the first word.</p>

<p>for example: </p>

<p>String: "hello world" </p>

<p>New String: "hello"</p>

<p>Thanks in advance!</p>
