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.
New does not guarantee heap allocation and simply avoiding new does not guarantee stack allocation. New is always used to allocate dynamic memory, which then has to be freed. By doing the first option, that memory will be automagically freed when scope is lost.
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 ...