Method get

static/katex/katex.mjs:12975–12981

* Get the current value of a name, or `undefined` if there is no value. * * Note: Do not use `if (namespace.get(...))` to detect whether a macro * is defined, as the definition may be the empty string which evaluates * to `false` in JavaScript. Use `if (namespace.get(...) != null)` or

(name)

  get(name) {
    if (this.current.hasOwnProperty(name)) {
      return this.current[name];
    } else {
      return this.builtins[name];
    }
  }
  /**
   * Set the current value of a name, and optionally set it globally too.
   * Local set() sets the current value and (when appropriate) adds an undo