JavaScript运算符（操做符）详解（1）----基本运算符

1、一元操做符 1.递增（++）递减（–）操做符 递增递减操做符都和C语言同样，分为前置型和后置型。二者区别在于及时返回值不一样；web var age = 18; age++; //19 age--; //18 ++age; //19 --age; //18 var age = 18;age = age-- +10; //28 先加后减 var age = 18;age = -

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