JavaScript運算符（操做符）詳解（1）----基本運算符

1、一元操做符 1.遞增（++）遞減（–）操做符 遞增遞減操做符都和C語言同樣，分爲前置型和後置型。二者區別在於及時返回值不一樣；web var age = 18; age++; //19 age--; //18 ++age; //19 --age; //18 var age = 18;age = age-- +10; //28 先加後減 var age = 18;age = -

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