Javascript: how to extract string from attribute via Regexp

Question

How can I extract the string from a certain data attribute via regexp.

<button data-loading-text="Some text on loading" data-toggle="button">Button</button>
<button data-finished-text="Some text on finished" data-toggle="button">Button</button>

And my javascript is

var Buttons = document.querySelectorAll([data-toggle="button"]);
[].forEach.call(Buttons, function (item) {
    var data = item.getAttribute('data-'+INEEDTHIS+'-text')
    var option = INEEDTHIS
    return new Button(item,option);
})

Casimir et Hippolyte · Accepted Answer · 2015-03-25 13:16:14Z

1

You can use the Element.attributes property:

var attrs = item.attributes;
for(var i = attrs.length - 1; i >= 0; i--) {
    var m = attrs[i].name.match(/^data-(.*)-text$/);
    if (m) {
        var option = m[1];
        // do something
    }
}

answered Mar 25, 2015 at 13:16

Casimir et Hippolyte

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Comments

jmgross · Accepted Answer · 2015-03-25 12:28:31Z

0

You can use the .attr() method of jQuery

answered Mar 25, 2015 at 12:28

jmgross

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1 Comment

thednp Over a year ago

I know jQuery cand do attr(), I need native Javascript.

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