nl_tokens: Wait for the first timeupdate with currentTime > 0 - there may be several with 0
pl_tokens: function checkProgress ( ) { if ( _this3 . el_ . currentTime > 0 ) { // Trigger durationchange for genuinely live video if ( _this3 . el_ . duration === Infinity ) { _this3 . <mask> ( 'durationchange' ) ; } _this3 . off ( 'timeupdate' , checkProgress ) ; } }