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in Technique[技术] by (71.8m points)

如下js代码,为什么两个alert出来的都是false呢?

//是否是草稿
        var is_draft ='<%=save%>';
        alert (is_draft)
        alert(!is_draft)

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by (71.8m points)

第一次是字符串类型,第二次是布尔类型咯。

is_draft ='false';
console.log (is_draft)
console.log(!is_draft)

image.png


其实你可以换另一种写法

is_draft = !![<%=save%>][0]
console.log (is_draft)

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