jQuery返回一个没有逗号的字符串的前5个单词

I'm trying to return the first 5 words of a string in a readable format, no "" or commas separating words. I'm not sure if its a regex thing or what, but I can't figure it out although its probably simple. Thanks!

我试图以可读格式返回字符串的前5个单词，没有“”或逗号分隔单词。我不确定它是一个正则表达式的东西还是什么，但我想不出来虽然它可能很简单。谢谢！

See what I have thus far: http://jsfiddle.net/ccnokes/GktTd/

看看我到目前为止：http：//jsfiddle.net/ccnokes/GktTd/

This is the function I'm using:

这是我正在使用的功能：

function getWords(string){
    var words = string.split(/\s+/).slice(1,5);
    return words;
}

3 个解决方案

#1

The only thing you are missing is a join()

你唯一缺少的是一个join（）

Try this:

尝试这个：

function getWords(str) {
    return str.split(/\s+/).slice(0,5).join(" ");
}

This will do something like:

这将做类似的事情：

var str = "This is a long string with more than 5 words.";
console.log(getWords(str)); // << outputs "This is a long string"

Take a look at this link for a further explanation of the .join(). function in javascript. Essentially - if you don't supply an argument, it uses the default delimiter ,, whereas if you supply one (as I'm doing in the above example, by providing " " - it will use that instead. This is why the output becomes the first 5 words, separated by a space between each.

请查看此链接以获取.join（）的进一步说明。在javascript中的功能。本质上 - 如果你不提供参数，它使用默认分隔符，而如果你提供一个（正如我在上面的例子中做的那样，通过提供“” - 它将使用它。这就是为什么输出成为前5个单词，每个单词之间用空格分隔。

3 个解决方案

#1

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