Run results for: reassign vs create new

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:59.0) Gecko/20100101 Firefox/59.0

Browser: Firefox 59

Operating system: Mac OS X 10.13

Device Platform: Other

Date tested: 6 years ago

Test name	Executions per second
new variable	40177.5 Ops/sec
reassign	39904.5 Ops/sec

Tests:

new variable
var x = 10; var x2 = x*x; var y = 10; var y2 = y*y; var z = 10; var z2 = z*z; var h = 10; var h2 = h*h; console.log(x, x2);
reassign
var x = 10; var x2 = x*x; x = 11; x2 = x*x; x = 12; x2 = x*x; x = 13; x2 = x*x; console.log(x, x2);