[問題] js的字串和數字要分開嗎？
如題，想請教如果我要寫
My birthday is March 1 2012.
那是不是要把 2012和字串分開呢？
例如寫成 "My birthday is March" + 1 2012？
會產生這樣的疑問是在於看到下面這個：
Variables and Expressions
Variables are used to hold values or expressions. An expression is any valid
unit of code that resolves to a value. For example, "JavaScript is #" + 1 is
an expression that resolves to "JavaScript is #1". An expression can also be
a value, function, or object, which we will cover later in the course. When
dealing with simple value expressions like 42, we usually just call them
"value".
來源：http://www.learnstreet.com/
這裡的resolve代表什麼意思呢？解答 or 分辨 or 使變成..？
它的文字為什麼和字串要分開呢
請多指教...謝謝大家～～
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