您可以将 &&
运算符与三目运算符一起使用,如下所示:
(a && b && c && d > 0) ? true : false // will return true if all integers are more than 0
jsFiddle: https://jsfiddle.net/AndrewL64/6bk1bs0w/
或者您可以将变量分配给一个数组,并使用Array.prototype.every()方法,如下所示:
let x = [a, b, c, d]
x.every(i => i > 0) // will return true if all integers are more than 0
jsFiddle: https://jsfiddle.net/AndrewL64/6bk1bs0w/1/
或者更简洁地说,您可以直接将值放入数组中,并直接在数组上使用every
方法,如下所示:
[0, 1, 0, 0].every(i => i > 0); // will return false since all integers are not more than 0
jsFiddle: https://jsfiddle.net/AndrewL64/6bk1bs0w/3/
或者您可以创建一个可重用函数,只需一行代码就可以多次运行,如下所示:
function moreThanOne(...args){
// Insert any of the above approaches here but reference the variables/array with the word 'arg'
}
moreThanOne(3,1,2,0); // will return false as well as alert false
moreThanOne(3,1,2,4); // will return true as well as alert true
jsFiddle: https://jsfiddle.net/AndrewL64/6bk1bs0w/2/
这是一个JavaScript代码片段的链接,可以在浏览器中运行并测试代码。您可以编辑代码并立即看到结果。它对于IT技术人员进行代码测试和调试非常有用。