问题
I've got a hidden <section /> that is comprised of divs that contain content to be stuffed into a jQuery UI dialog. On document.ready I want to loop through those divs, take the id of each respective div, replace dashes with spaces, capitalize each word, and store that in a title variable. Then, I'm going use that in an object literal that gets put into my dialogs[] array. Sounds simple, right?
Stripped down version of the HTML:
<section id="dialog-content" class="hidden">
<div id="some-dialog">
// awesome dialog content here
</div>
<div id="another-dialog">
// awesome dialog content here
</div>
<div id="modal-dialog">
// awesome dialog content here
</div>
</section>
Stripped down version of the JavaScript:
var dialogs = [],
$container = $("#dialog-content");
$content = $container.find("> div");
$content.each(function (i)
{
var $this = $(this),
id = $this.attr("id"),
title = id.replace(/\-/g, " ");
console.log(title);
dialogs[dialogs.length] =
{
trigger: $("#" + id + "-trigger"),
title: title,
content: $this.html()
};
});
BTW - I know I can use $.data() and add custom properties to my divs, but I really wanted as minimal of markup as possible, and I am curious about this specific possibility. So it's not so much my example, but the question at hand.
To re-iterate, the question is:
How can I capitalize each word in a variable via JavaScript, just like text-transform: capitalize; does in CSS?
回答1:
You could simply write a function to do it. Here is a simple regex-based function:
function capitalize(text) {
return text.replace(/\b\w/g , function(m){ return m.toUpperCase(); } );
}
回答2:
This might be of help: Javascript: Capitalization of each Word in String.
Edit to include the content from the aforementioned linked answer:
The following will handle all Unicode letters, unlike any solution using \w, \b or [a-z] etc. Admittedly the regular expression is rather large. Character lists taken from Steve Levithan's excellent XRegExp library.
var letters = 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var regex = new RegExp("(^|[^" + letters + "])([" + letters + "])", "g");
function capitalizeWords(str) {
return str.replace(regex, function(s, m1, m2) {
return m1 + m2.toUpperCase();
});
}
alert( capitalizeWords("öar") ); // Öar
回答3:
Thanks to @MarkCostello and the question he found, I've combined 2 answers from there to create my own ultimate capitalize() utility:
String.prototype.capitalize = function ()
{
var letters = 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var regex = new RegExp("(^|[^" + letters + "])([" + letters + "])", "g");
return this.replace(regex, function (s, m1, m2) { return m1 + m2.toUpperCase(); });
};
来源：https://stackoverflow.com/questions/5956942/is-there-a-js-equivalent-to-css-text-transform-capitalize