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The string is converted to a number value. JavaScript attempts to convert the string numeric literal to a Number type value. First, a mathematical value is derived from the string numeric literal. Next, this value is rounded to nearest Number type value. Boolean
Values are cast to strings like the following: [59] Strings are left as-is; Numbers are converted to their string representation; Arrays have their elements cast to strings after which they are joined by commas (,) Other objects are converted to the string [object Object] where Object is the name of the constructor of the object
An array data structure can be mathematically modeled as an abstract data structure (an abstract array) with two operations get(A, I): the data stored in the element of the array A whose indices are the integer tuple I. set(A, I, V): the array that results by setting the value of that element to V. These operations are required to satisfy the ...
Python has array index and array slicing expressions in lists, denoted as a[key], a [start: stop] or a [start: stop: step]. Indexes are zero-based , and negative indexes are relative to the end. Slices take elements from the start index up to, but not including, the stop index.