index.js 369 B

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  1. (function(global,$){
  2. var $err = $('#err');
  3. $err.hide();
  4. var showError = function(err){
  5. $err.html(err).show();
  6. };
  7. $('form').on('submit',function(){
  8. var account = $('#account'),pwd = $('#pwd');
  9. if(!account)return showError('请输入用户名!');
  10. if(!pwd) return showError('请输入密码');
  11. })
  12. })(window,jQuery);