JSFiddle - React, Tailwind, and code Playground

HTML

<div data-api-src="some value">a</div>
<div data-api-myattr="foobar">b</div>
<div>c</div>

JavaScript

$("div").filter(function() {
    for (var i = 0; i < this.attributes.length; i++) {
        if (this.attributes[i].nodeName.indexOf('data-api-') === 0) return true;       
    };
    return false;
}).css('color', 'red');