A program to insert 5 elements in array and display it using javascript: var numbers =[]; console . log ( numbers ); for ( var i = 10 ; i < 15 ; i ++){ numbers . push ( i ); //Push method adds element at last index of an array. } console . log ( numbers ); console . log ( numbers . join ()); /* The elements will be separated by a specified separator using join() method. The default separator is comma (,).*/ Output: