The (about) word count of the ECMAScript Specification since version 5.1 (2011) [1] to the latest version 13 (2023) [2]
How did I count words? Pragmatic. Open the URL and run in your console:
$('body').textContent
.split(' ').length
Results:
v5.1: 241.226
v13: 560.579
Diff: 319.353
Increase by 57%
Fun facts about v13:
1525 words start with "string"
2627 with "object"
1221 with "type" ... lots a typing
[1] https://262.ecma-international.org/5.1
[2] https://262.ecma-international.org/13.0/