nuke-normal-input/src/uitls.js

输入框

/**
 * @param {dom node} element
 * check whether the dom node's input is valid [ work in h5]
 * number键盘输入非合法的时候value为空，此时需要校验是否合法。
 * relative issue https://github.com/angular/angular.js/issues/2144
 */
exports.isValidInput = function (element) {
  if (element.validity && !element.validity.valid) {
    // if html5 validation says it's bad: it's bad
    return false;
  }
  // Fallback to browsers that don't yet support html5 input validation
  // Or we maybe want to perform additional validations
  const value = element.value;
  if (value != null) return true;
  return false;
};

exports.isValidNumber = function (value) {
  const reg = /^[-+]?[0-9]*\.?[0-9]+$/;
  return reg.test(value);
};