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JavaScript TypedArray

JavaScript TypedArray with methods and examples, join() method, javascript typedarray methods, keys() method, indexOf() method, includes() method, forEach() method, entries(), every(), find(), filter(), copyWithin() method etc.

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JavaScript TypedArray

The JavaScript TypedArray object illustrates an array like view of an underlying binary data buffer. There are many number of different global properties, whose values are TypedArray constructors for specific element types, listed below.

Types of TypedArray

Int8Array

  • Size in bytes: 1
  • Description: 8-bit two's compliment signed integer.
  • Type: byte.
  • Value Range: -128 to 127

Unit8Array

  • Size in bytes: 1
  • Description: 8-bit two's compliment signed octet.
  • Type: octet.
  • Value Range: 0 to 255.

Unit8ClampedArray

  • Size in bytes: 1
  • Description: 8-bit unsigned integer (clamped) octet.
  • Type: octet.
  • Value Range: 0 to 255.

Int16Array

  • Size in bytes: 2
  • Description: 16-bit two's complement signed integer.
  • Type: short.
  • Value Range: -32768 to 32767.

Unit16Array

  • Size in bytes: 2
  • Description: 16-bit unsigned integer.
  • Type: unsigned short.
  • Value Range: 0 to 65535.

Int32Array

  • Size in bytes: 4
  • Description: 32-bit two's complement signed integer.
  • Type: long.
  • Value Range: -2147483648 to 2147483647.

Uint32Array

  • Size in bytes: 4
  • Description: 32-bit unsigned integer.
  • Type: unsigned long.
  • Value Range: 0 to 4294967295

Float32Array

  • Size in bytes: 4
  • Description: 32-bit IEEE floating point number unrestricted float.
  • Type: unrestricted float.
  • Value Range: 1.2x10-38 to 3.4x1038

Float64Array

  • Size in bytes: 8
  • Description: 64-bit IEEE floating point number unrestricted double.
  • Type: unrestricted double.
  • Value Range: 5.0x10-324 to 1.8x10308

JavaScript TypedArray Methods

Let's see the list of JavaScript TypedArray methods with their description.

Methods Description
copyWithin() The copyWithin () method copies a portion of an array to another location in the same array and returns the size without modification.
entries() The JavaScript entries() method returns a new Array Iterator object that contains key/value pairs for each index in the array.
every() javaScript Array.every() method test whether all the elements of the array satisfy the given condition or not.
fill() The javaScript fill() method is used to fill all the elements of array from a start index to an end index with a static value.
Filter() The JavaScript Array filter() method form a new array that fall under a given criteria from an existing array.
find() The JavaScript find() Method is used to get the value of the first element in the array that satisfies the provided condition.
findIndex() The JavaScript findIndex() method is provide the index of the element that complete the given test in the array.
forEach() The JavaScript forEach() method calls the provided function once for each element of the array.
includes() The JavaScript Array includes() method is inbuilt function in JavaScript which is used to determines whether a particular element is present in the array or not.
indexof() The JavaScript indexof() Method is used to find the index of the element provided as the argument to the function.
join() The JavaScript join() method is used to join all elements of an Array into a string.
Keys() The JavaScript Keys() method is an inbuilt function in JavaScript. This method returns an Array Iterator object with the keys of an array.
lastIndexof() The javaScript lastIndex()of method returns the last position of a value, or it return -1 if the value is not found.
map() The JavaScript map() method form a new array with the result of calling a function for every element.
reduce() The JavaScript reduce() method reduce the elements of an array into a single value.
reduceRight() The JavaScript reduceRight() method reduce the elements of an array into a single value.
reverse() The JavaScript reverse() method is used to reverse the array.
set() The JavaScript set() method is used to store values into the given array.
Slice() The JavaScript slice() method gives the selected elements of the array on which is implemented.
some() JavaScript some() method examine the elements of the array that satisfies the given condition or not.
sort() The JavaScript sort() method is used to sort the array and returns the updated array.
subarray() The JavaScript subarray() method returns a new array and it does not change the original array.
values() The JavaScript values() method is used to define the value of the contents in the array
toLocaleString() The JavaScript toLocaleString() method is used to convert the element of the given array into a string.
toString() The JavaScript toString() method is used to convert the element of the given array into a string. And these Strings are separated by such as a comma ",".
Next TopicJavaScript Set




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