Organize your log output by grouping your logs into collapsable hierarchies using console.group().

 

for(var i = 0; i < 100; i++){
    var num = Math.random() * 100;
    console.groupCollapsed("Picking a random number!");
    console.log("Number greater than 10?", num > 10);
    console.log("Number greater than 50?", num > 50);
        console.groupCollapsed("This is a nested log group");
        console.log(i);
        console.groupEnd();
    console.groupEnd();
}

 

[Javascript] Grouping and Nesting Console Log Output_JavaScript