Youtube_Playlist_Total_Time_Count

script.js

// Get Timestamps From the Document as Array
var stamps = document.querySelectorAll('.timestamp span');

// Initialize variables
var minutes = 0, hours = 0, seconds = 0;

// Loop throgh stamps array
// For each if statement inside the loop
// We are adding the corresponding time
// in seconds, minutes and hours to our variables

for(var i=0;i<stamps.length;i++){
   // Get the time as text //
   var content = stamps[i].textContent;
   // split or devide the content string into array
   // in other words, spit the content string by ":"
   var t = content.split(":");
   // if the time has hour
   if(t.length == 3){
     // time has [hours, minutes, seconds]
     hours += Number.parseInt(t[0]);
     minutes += Number.parseInt(t[1]);
     seconds += Number.parseInt(t[2]);
   }else if(t.length == 2){
     // time has [minutes, seconds]
     minutes += Number.parseInt(t[0]);
     seconds += Number.parseInt(t[1]);
   }else if(t.length == 1){
     // time has only [seconds]
     seconds += Number.parseInt(t[0]);
   }else{
     // Something went wrong // Or it's not a time //
     hours = minutes = seconds = 0;
     break;
   }
}


// Call "myConvert" function //
myConvert(hours, minutes, seconds);


// Define "myConvert" function
function myConvert(h,m,s){
if(h == m && m == s && s == 0){
  return "Wrong Time Found";
}
// Convert seconds to minutes and add it to minutes
m += Number.parseInt(s/60);
// Decrease the seconds to maximum 60 //
s %= 60;
// Convert minutes to hours and add it to hours
h += Number.parseInt(m/60);
// Decrease the minutes to maximum 60 //
m %= 60;
// return the full string of total time //
return "Hours: "+h +"  ||  Minutes: "+m + "  ||  Seconds: " + s;
}

Youtube_Playlist_Total_Time_Count.markdown

Youtube_Playlist_Total_Time_Count

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