二 js表达式与运算符

/** * Created by Administrator on 2017/12/14. * 表达式与运算符 */ //1.基本表达式 加减乘除 var a = 4; a = 7/ 6; var b = ( a + 4)/ 2; console. log( a); console. log( b); console. log( "=========="); //end //2.比较运算符 ==

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