Javascript BigUint64Array reduce()

Introduction

The Javascript BigUint64Array reduce() method BigUint64Array to a single value.

This method works the same as Array.prototype.reduce(). 

BigUint64Array.reduce(callback[, initialValue])
Parameter
 Optional
 Meaning
callback





 Required





 Function to execute on each value
Taking four arguments:
initialValue - the value returned in the last invocation.
currentValue - the current element.
index - the index of the current element.
array - the typed array itself.
initialValue
 Optional
 Object to use as the first argument to the first call of the callback.

Sum up all values within an array 

var total = new BigUint64Array([0n, 12n, 5n, 8n, 130n, 44n]).reduce(function(a, b) {
  return a + b;/*from w ww  . j  a  v a 2 s . c  o m*/
});
console.log(total);



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