code: function injectQuery(tokenValue, options, param) {
      options.url += ~options.url.indexOf('?') ? '&' : '?';
      options.url += param + '=' + tokenValue;
  }
docs: Inject CSRF token via query param.
  
  @param {string} tokenValue CSRF token value
  @param {object} options jQuery prefilter options
  @param {string} param Query param key