revision:
Array.from() : converts an array like object to an array.
concat() : returns a new array comprised of this array joined with other array(s) and/or value(s).
copyWithin() : copies a part of the same array within the same calling array.
entries() : returns a new Array Iterator object that contains the key/value pairs for each index in the array.
every() : returns true if every element in this array satisfies the provided testing function.
fill() : returns a modified array by filling a specified index with the specified value.
filter() : creates a new array with all of the elements of this array for which the provided filtering function returns true.
find() : returns the first value of the array elements which satisfies the provided condition.
findIndex() : returns the index value of the element, not the value itself.
forEach() : calls a function for each element in the array.
includes() : determines whether certain values exist in the array or not. If the value exists in the array then the method returns true else return false.
indexOf() : rReturns the first (least) index of an element within the array equal to the specified value, or -1 if none is found.
isArray() : returns true if the passed argument is an array else returns false.
join() : joins all elements of an array into a string.
lastIndexOf() : returns the last (greatest) index of an element within the array equal to the specified value, or -1 if none is found.
map() : creates a new array with the results of calling a provided function on every element in this array.
pop() : removes the last element from an array and returns that element.
push() : adds one or more elements to the end of an array and returns the new length of the array.
reduce() : applies a function simultaneously against two values of the array (from left-to-right) as to reduce it to a single value.
reduceRight() : applies a function simultaneously against two values of the array (from right-to-left) as to reduce it to a single value.
reverse() : reverses the order of the elements of an array -- the first becomes the last, and the last becomes the first.
shift() : removes the first element from an array and returns that element.
slice() : extracts a section of an array and returns a new array.
some() : returns true if at least one element in this array satisfies the provided testing function.
sort() : sorts the elements of an array
splice() : adds and/or removes elements from an array.
toSource() : represents the source code of an object
toString() : returns a string representing the array and its elements.
unshift() : adds one or more elements to the front of an array and returns the new length of the array.
values() : returns a new array iterator that contains values of each index in the array.
<div>
<a id="array1"></a><br><br>
<a id="array2"></a><br><br>
<a id="array3"></a><br><br>
<a id="array4"></a><br><br>
<a id="array5"></a><br><br>
<a id="array6"></a><br><br>
<a id="array7"></a><br><br>
<a id="array8"></a><br><br>
<a id="array9"></a><br><br>
<a id="array10"></a><br><br>
<a id="array11"></a><br><br>
<a id="array12"></a><br><br>
</div>
<script>
var students = [ 'Jack', ' James', ' Robert', ' John', ' Lea', ' Christine', ' Thea'];
document.getElementById("array1").innerHTML = "students array : " + students;
students.pop();
document.getElementById("array2").innerHTML = "pop() effect: " + students;
students.shift();
document.getElementById("array3").innerHTML = "shift() effect: " + students;
students.push(' Oscar', ' Brigitte');
document.getElementById("array4").innerHTML = "push() effect: " + students;
students.unshift("Peter");
document.getElementById("array5").innerHTML = "unshift() effect: " + students;
var length = students.length;
document.getElementById("array6").innerHTML = "length property: " + length;
students.splice(3,2, ' Teddy', ' Eric')
document.getElementById("array7").innerHTML = "splice() effect: " + students;
var newStudent = students.slice(4,6)
document.getElementById("array8").innerHTML = "slice() effect: " + newStudent;
var others = ['Wim', 'Alice']
var all = students.concat(others);
document.getElementById("array9").innerHTML = "concat() effect: " + all;
document.getElementById("array10").innerHTML = "toString() effect: " + students.toString();
var minus = delete students[0];
document.getElementById("array11").innerHTML = "delete() effect: " + students;
</script>