https://cdnjs.com/libraries/vissense/tutorials/getting-started My Example of making all video using vissense function $(“.video”).each(function () { var myVideo = document.getElementById(this.id); VisSense.VisMon.Builder(VisSense(myVideo, { fullyvisible: 0.75 })) .on(‘fullyvisible’, function(monitor) { myVideo.play(); }) .on(‘hidden’, function(monitor) { myVideo.pause(); }).build().start(); }); Code...