Function clear

lib/internal/console/constructor.js:490–503

()

  // Defined by: https://console.spec.whatwg.org/#clear
  clear() {
    // It only makes sense to clear if _stdout is a TTY.
    // Otherwise, do nothing.
    if (this._stdout.isTTY && process.env.TERM !== 'dumb') {
      // The require is here intentionally to avoid readline being
      // required too early when console is first loaded.
      const {
        cursorTo,
        clearScreenDown,
      } = require('internal/readline/callbacks');
      cursorTo(this._stdout, 0, 0);
      clearScreenDown(this._stdout);
    }
  },

  // Defined by: https://console.spec.whatwg.org/#count
  count(label = 'default') {