Question

How to use TypedArray.filter() to create new filtered typed array with elements that pass a test in JavaScript

Answer 1

// typedarray.filter(callback[, thisArg])


var arr = new Uint8Array([10, 7, 13, 14, 31]).filter(n => n >= 13); 

for (var i = 0; i < arr.length; i++)
    document.write(arr[i] + " ");

/*
run:

13 14 31 

*/

 

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Answer 2

// typedarray.filter(callback[, thisArg])

function filter_function(element, index, array) 
{
  return element >= 13;
}
var arr = new Uint8Array([10, 7, 13, 14, 31, 100]).filter(filter_function); 

for (var i = 0; i < arr.length; i++)
    document.write(arr[i] + " ");


/*
run:

13 14 31 100  

*/

 

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