JAVASCRIPT TUTORIALS - Javascript - Arrays
Javascript - Arrays
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Property | Description |
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constructor | Returns a reference to the array function that created the object. |
index | The property represents the zero-based index of the match in the string |
input | This property is only present in arrays created by regular expression matches. |
length | Reflects the number of elements in an array. |
prototype | The prototype property allows you to add properties and methods to an object. |
Method | Description |
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concat() | Returns a new array comprised of this array joined with other array(s) and/or value(s). |
every() | Returns true if every element in this array satisfies the provided testing function. |
filter() | Creates a new array with all of the elements of this array for which the provided filtering function returns true. |
forEach() | Calls a function for each element in the array. |
indexOf() | Returns the first (least) index of an element within the array equal to the specified value, or -1 if none is found. |
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() | Apply a function simultaneously against two values of the array (from left-to-right) as to reduce it to a single value. |
reduceRight() | Apply 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. |
toSource() | Represents the source code of an object |
sort() | Sorts the elements of an array. |
splice() | Adds and/or removes elements from an array. |
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. |