What can classes do that ids cannot do?
66431
What is the difference between id and class in CSS, and when should I use them?
45538
'id' is a bad variable name in Python
8789
Can anonymous class implement interface?
146553
Why an interface can not implement another interface?
127557
How do you prevent specific class scripts from transfering to all classes?
103547
What is your alternative name for ID variable in Objective-C?
43602
Why does setuid not work?
132308
How to fix insufficient access rights on cross-reference id?
13705
What techniques can be used to define a class in JavaScript, and what are their trade-offs?
6502
need help with test class with ApexPages.currentPage().getParameters().id
6369
Is there a spec that the id of elements should be made global variable?
7866
How to check if a string is a uniqueidentifier?
89109
How do I obfuscate the ids of my records in rails?
66925
Are there Race/Alignment restrictions for classes in the PHB?
31348
R.id cannot be resolved
101436
How can I identify an anonymous inner class in a NotSerializableException
23981
What weapons are class restricted?