JSFiddle - React, Tailwind, and code Playground

HTML

<p>Test Test Test Test Test</p>

CSS

p {
    text-overflow: ellipsis;
    width: 140px;
    overflow: hidden;
    white-space: nowrap;
    margin: 25px 0;
} 

span {
    display: inline-block;
    height: 20px; 
    width: 50px;
    position: absolute;
    left: 90px;

    background: -moz-linear-gradient(right,  rgba(255,255,255,1) 0%, rgba(255,255,255,0) 100%); /* FF3.6+ */
    background: -webkit-gradient(linear, right top, left top, color-stop(0%,rgba(255,255,255,1)), color-stop(100%,rgba(255,255,255,0))); /* Chrome,Safari4+ */
    background: -webkit-linear-gradient(left, rgba(255,255,255,0),rgba(255,255,255,1)); /* Chrome10+,Safari5.1+ */
    background: -o-linear-gradient(left,  rgba(255,255,255,1) 100%,rgba(255,255,255,0) 0%); /* Opera 11.10+ */
    background: -ms-linear-gradient(left,  rgba(255,255,255,1) 100%,rgba(255,255,255,0) 0%); /* IE10+ */
    background: linear-gradient(to right,  rgba(255,255,255,1) 100%,rgba(255,255,255,0) 0%); /* W3C */
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#00ffffff', endColorstr='#ffffff',GradientType=1 ); /* IE6-9 */
}

JavaScript

$("p").append("<span />");