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JavaScript expressions and basic operators are similar to C PERL and Java
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Assignment Operators are = += -= *= /= %= <<= >>= >>>= &= ^= |=
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with x += y; meaning x= x + y;
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and x %= y; meaning x = x%y; // x mod(y)
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Conditional Expressions
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status = (age >= 18) ? "adult" : "minor"; // sets status to be "adult" if age is larger than or equal to 18. Otherwise it is set to "minor"
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Arithmetic operators are as usual with in addition ++ and --
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y = ++x; // increments x by 1 and sets y to be final value of x
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