Michael Kölling
@kolling.uk
Computer Scientist, King's College London
Blog: https://blogs.kcl.ac.uk/proged
Blog: https://blogs.kcl.ac.uk/proged
Lesson of language design? Don't try to be clever!
JavaScript:
0 == '0' -> true
0 == '' -> true
'0' == '' -> false
result: Transitivity of equality is broken!
a == b and b == c, so a == c ?
Not in JavaScript, it isn't!
Read: blogs.kcl.ac.uk/proged/2024/...
JavaScript:
0 == '0' -> true
0 == '' -> true
'0' == '' -> false
result: Transitivity of equality is broken!
a == b and b == c, so a == c ?
Not in JavaScript, it isn't!
Read: blogs.kcl.ac.uk/proged/2024/...
December 8, 2024 at 1:04 PM
Lesson of language design? Don't try to be clever!
JavaScript:
0 == '0' -> true
0 == '' -> true
'0' == '' -> false
result: Transitivity of equality is broken!
a == b and b == c, so a == c ?
Not in JavaScript, it isn't!
Read: blogs.kcl.ac.uk/proged/2024/...
JavaScript:
0 == '0' -> true
0 == '' -> true
'0' == '' -> false
result: Transitivity of equality is broken!
a == b and b == c, so a == c ?
Not in JavaScript, it isn't!
Read: blogs.kcl.ac.uk/proged/2024/...