isSorN (value) {
    return utils.isString(value) || utils.isNumber(value)
  }
Return whether the provided value is a string or a number.

@example
import { utils } from 'js-data';
console.log(utils.isSorN('')); // true
console.log(utils.isSorN(-1.65)); // true
console.log(utils.isSorN('my string')); // true
console.log(utils.isSorN({})); // false
console.log(utils.isSorN([1,2,4])); // false

@method utils.isSorN
@param {*} value The value to test.
@returns {boolean} Whether the provided value is a string or a number.
@since 3.0.0