JSFiddle - React, Tailwind, and code Playground

by mowglisanu

HTML

<div class="frame" id="layer1"> ... </div>

CSS

.frame {
    position: absolute;
    width: 380px;
    height: 280px;
    overflow: hidden;
    padding: 0;
    margin: 0;
    border: 0;
}
#layer1  { background-color: red; color: #fff; }

JavaScript

alert($(".frame").filter(":first").width()); // 384
alert($(".frame").filter(":first").outerWidth());  // 384
alert($(".frame").filter(":first").innerWidth());  // 384