How to decode or how is it encoded?

Question

JavaScript

There is an obfuscated code that supposedly contains the video player code or a link to the video file, how to decode it or what?

function rS73(oH8,aLV35){var pEx22='',g613,lkF12,px661,wlp45,bt68,g184,iny94,q4630,kqY69=0,yj81='',bdw69;for(bdw69=0;bdw69<26;bdw69++)pEx22=pEx22+String.fromCharCode('A'.charCodeAt(0)+bdw69);for(bdw69=0;bdw69<26;bdw69++)pEx22=pEx22+String.fromCharCode('a'.charCodeAt(0)+bdw69);for(bdw69=0;bdw69<10;bdw69++)pEx22=pEx22+String.fromCharCode('0'.charCodeAt(0)+bdw69);pEx22=pEx22+'+/=';do{ wlp45=pEx22.indexOf(oH8.charAt(kqY69++));bt68=pEx22.indexOf(oH8.charAt(kqY69++));g184=pEx22.indexOf(oH8.charAt(kqY69++));iny94=pEx22.indexOf(oH8.charAt(kqY69++));q4630=wlp45<<18|bt68<<12|g184<<6|iny94;g613=q4630>>16&0xff;lkF12=q4630>>8&0xff;px661=q4630&0xff;if(g184==64)yj81+=String.fromCharCode(g613);else if(iny94==64)yj81+=String.fromCharCode(g613,lkF12);else yj81+=String.fromCharCode(g613,lkF12,px661);}while(kqY69<oH8.length);if(aLV35==null)return rS73(yj81.substr(Number(yj81.substr(3,2))+7),1);else document.write(yj81);}rS73('TUNmMzhzQ2wxWTMzVmhxVGwzZUFYd3lXR1RJUDFpV2dCSlRSYndjZHVmZ3F3UEdsbWNtRnRaU0J6Y21NOUltaDBkSEE2THk5M2QzY3VaSEowZFdKbGNpNWpiMjB2WlcxaVpXUXZNak0xTnpNd015SWdkMmxrZEdnOUlqWXdPQ0lnYUdWcFoyaDBQU0kwTlRRaUlHWnlZVzFsWW05eVpHVnlQU0l3SWlCelkzSnZiR3hwYm1jOUltNXZJajQ4TDJsbWNtRnRaVDQ9');

Answer 1

<iframe src=" www.drtuber.com/embed/2357303 "
width="608"
height="454"
frameborder="0"
scrolling="no"> </iframe>
deobfuscatejavascript.com