Answer - 61 : - It is perfectly legal to assign a number to a variable and then assign a string to the same variable as follows example i = 10; i = "string"; This is called variable typing
Answer - 62 : - Undeclared variables are those that are not declared in the program (do not exist at all),trying to read their values gives runtime error.But if undeclared variables are assigned then implicit declaration is done . Undefined variables are those that are not assigned any value but are declared in the program.Trying to read such variables gives special value called undefined value.
Answer - 63 : - Kangaroo Opossum Tasmanian Tiger
Answer - 64 : - No. JavaScript does not have block level scope, all the variables declared inside a function possess the same level of scope unlike c,c++,java.
Answer - 65 : - ==== is strict equality operator ,it returns true only when the two operands are having the same value without any type conversion.
Answer - 66 : -
Answer - 67 : -
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Answer - 68 : - hit me
Answer - 69 : - Look at the Status bar Look at the Status bar as your cursor goes over the link.
Answer - 70 : - alert('Warning: Please enter an integer between 0 and 100.');
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