text: var classof = require('../internals/classof-raw');
  
  // `thisNumberValue` abstract operation
  // https://tc39.github.io/ecma262/#sec-thisnumbervalue
  module.exports = function (value) {
    if (typeof value != 'number' && classof(value) != 'Number') {
      throw TypeError('Incorrect invocation');
    }
    return +value;
  };
  