export default function toggleAttributePolyfill() { if(!Element.prototype.toggleAttribute) { Element.prototype.toggleAttribute = function(name, force) { if(force !== void 0) force = !!force; if(this.hasAttribute(name)) { if(force) return true; this.removeAttribute(name); return false; } if(force === false) return false; this.setAttribute(name, ""); return true; }; } }