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JavaScript | typedArray.@@species with Example

  • Last Updated : 03 Aug, 2018
Geek Week

The typedArray.@@species is an inbuilt property in JavaScript which is used to return the constructor of the given typedArray.
The typedArray is of many types like-

  • Int8Array
  • Uint8Array
  • Uint8ClampedArray
  • Int16Array
  • Uint16Array
  • Int32Array
  • Uint32Array
  • Float32Array
  • Float64Array



Parameters: It does not accept any parameter because it is a property not a function.
Return value: It returns the constructor of the given typedArray.
JavaScript code to show the working of this property:

    // Calling species property on different typedArray
    a = Int8Array[Symbol.species];
    b = Uint8Array[Symbol.species];
    c = Uint8ClampedArray[Symbol.species];
    d = Int16Array[Symbol.species];
    e = Uint16Array[Symbol.species];
    f = Int32Array[Symbol.species];
    g = Uint32Array[Symbol.species];
    h = Float32Array[Symbol.species];
    i = Float64Array[Symbol.species];
    // Printing the constructor of the given typedArray
    document.write(a + "<br>");
    document.write(b + "<br>");
    document.write(c + "<br>");
    document.write(d + "<br>");
    document.write(e + "<br>");
    document.write(f + "<br>");
    document.write(g + "<br>");
    document.write(h + "<br>");


function Int8Array() { [native code] }
function Uint8Array() { [native code] }
function Uint8ClampedArray() { [native code] }
function Int16Array() { [native code] }
function Uint16Array() { [native code] }
function Int32Array() { [native code] }
function Uint32Array() { [native code] }
function Float32Array() { [native code] }
function Float64Array() { [native code] }

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