keycloakify/tools/HTMLElement.prototype.prepend.js

Framework to create custom Keycloak UIs

"use strict";
if (!HTMLElement.prototype.prepend) {
    HTMLElement.prototype.prepend = function (childNode) {
        if (typeof childNode === "string") {
            throw new Error("Error with HTMLElement.prototype.appendFirst polyfill");
        }
        this.insertBefore(childNode, this.firstChild);
    };
}
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