如何在 JavaScript 中编写内联 IF 语句?

问题描述：

如何在 JavaScript 中使用内联 if 语句?是否也有内联 else 语句?

How can I use an inline if statement in JavaScript? Is there an inline else statement too?

像这样:

var a = 2;
var b = 3;

if(a < b) {
    // do something
}

答

您不一定需要 jQuery.仅 JavaScript 就可以做到这一点.

You don't necessarily need jQuery. JavaScript alone will do this.

var a = 2;
var b = 3;    
var c = ((a < b) ? 'minor' : 'major');

如果值为 true，c 变量将为 minor，如果值为 major代码>假代码>.

The c variable will be minor if the value is true, and major if the value is false.

这称为条件(三元)运算符.

This is known as a Conditional (ternary) Operator.