Add line break in text (Javascript Class)

breaktext.js

class BreakText {
    constructor ( element, splitAfter ) {
        this.element = document.querySelector( element );
        this.stringOriginal = this.element.textContent;
        this.stringNew = this.stringOriginal.replace( splitAfter, `${splitAfter}\u000A` );
        this.element.innerText = this.stringNew;
    }
}

// How to init
const foo = new BreakText( "ELEMENT_HERE", "STRING_HERE" );