JSFiddle - React, Tailwind, and code Playground
HTML
Search the map: <input type="text" title="Search the map" style="width: 425"/><br />
<iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=New+York,+NY,+United+States&sll=40.714353,-74.005973&sspn=0.423651,0.891953&ie=UTF8&hq=&hnear=New+York&z=11&ll=40.714353,-74.005973&output=embed"></iframe><br />
[HERE: invisible text input that will grab the link from map result above and update variable in my php script after clicking submit button]<br>
<input type="submit" title="Search the map" style="width: 425" value="Save this position" />