title: extract src from javascript function using bs4
body: <p>how can i extract the src from the code below using bs4 ?</p>
  
  <p>the script show when i use request but i can't get the src from it</p>
  
  <p>i tried page.get("src")</p>
  
  <p>but it didn't work</p>
  
  <pre><code>&lt;script&gt;
      function hls() {
          document.getElementById("videowrapper_hls").innerHTML = '&lt;iframe src="/redirect/dHlFVXhUNU1wTHB5T2ZnblorQ1k4aVVyV1JKRjRkUEpnaExzeVpUUHZDWmJkMGF2N0pPa3RPdDRQYjFHYmhRWnljclVXa0l0V0hLK3VuSElFTUExNVE9PQ==" scrolling="no" frameborder="0" width="700" height="430" allowfullscreen="true" webkitallowfullscreen="true" mozallowfullscreen="true"&gt;&lt;/iframe&gt;'
  
          if ($('#videowrapper_video').length &gt; 0) {
            document.getElementById("videowrapper_video").innerHTML = ''
          }
  
          if ($('#videowrapper_fembed').length &gt; 0) {
            document.getElementById("videowrapper_fembed").innerHTML = ''
          }
  
          if ($('#videowrapper_gounlimited').length &gt; 0) {
            document.getElementById("videowrapper_gounlimited").innerHTML = ''
          }
  
          if ($('#videowrapper_mixdrop').length &gt; 0) {
            document.getElementById("videowrapper_mixdrop").innerHTML = ''
          }
  
      }
  &lt;/script&gt;
  </code></pre>