This proposal maintains that, as it would throw on an Integer for being a mixed operand type. >>> 0 always returns a Number in uint32 range, throwing as >>> is not supported on Integer at all.

However, if you use Math.Round to perform the addition, JavaScript rounds the value to 3. This method, which works in all browsers, rounds numbers to the next integer if the result is 0.5 or ...

JavaScript (in contrast to Java which Elasticsearch uses) does not support 64 bit integer values. Using a number in JavaScript results in the Number type which itself is a 64bit IEEE floating point ...