Science Daily: Race-based variations in gut bacteria emerge by 3 months of age
Movements may arise from structural deformation, or may be induced by temperature variations or changes in moisture content.
Many theories on punishment exist, all of which are variations on a theme. A variation is a change or slight difference in a level, amount, or quantity. Every day without variation my grandfather ate a plate of cold ham. Collins COBUILD Advanced Learner’s Dictionary. Copyright © HarperCollins Publishers.
Noun variation (usually uncountable, plural variations) The act of varying; a partial change in the form, position, state, or qualities of a thing.
If you have many similar items that have different variations, such as color or size, you can also create a single fixed-price listing that includes all the variations you offer.
Ah, but new experts will rise up and embrace the new, friendly Stack Overflow that they have always wanted. And maybe rediscover the same things the bitter, hateful old guard found.
It is NOT 'bad' to use the new keyword. But if you forget it, you will be calling the object constructor as a regular function. If your constructor doesn't check its execution context then it won't notice that 'this' points to different object (ordinarily the global object) instead of the new instance. Therefore your constructor will be adding properties and methods to the global object ...
You should use new when you wish an object to remain in existence until you delete it. If you do not use new then the object will be destroyed when it goes out of scope.