Question

问题是，当我每次写HTML标签'id时，下面的代码都有效。但是当我缓存它们时，却没有。我错过了什么？

这是我的代码：

var NewFormContainer=$("#NewUserFormContainer"), opener=$("#nufcOpen"), closer=$("#nufcClose"), NewForm=$("#NewUserForm");
$(function() {
    $( "#userType" ).buttonset();
    $(".btn").button();

    closer.button({
        icons: {
            primary: "ui-icon-closethick"
        }, text: false
    }).click(function(){
        NewFormContainer.slideUp("slow");
    });
    opener.click(function(){
        NewFormContainer.slideDown("slow");
    });
});

BTW，控制台没有错误。我也在使用jQ-UI

Answer 1

cache准备好后，您需要dom。

$(function() {
    $( "#userType" ).buttonset();
    $(".btn").button();

    var NewFormContainer=$("#NewUserFormContainer"),
        opener=$("#nufcOpen"),
        closer=$("#nufcClose"),
        NewForm=$("#NewUserForm");

    closer.button({
      icons: {
        primary: "ui-icon-closethick"
      }, text: false
    }).click(function(){
        NewFormContainer.slideUp("slow");
    });

    opener.click(function(){
        NewFormContainer.slideDown("slow");
    });
});

Answer 2

当你缓存它们时，它们会在document.ready之前被评估。试试这个：

var NewFormContainer="#NewUserFormContainer", opener="#nufcOpen", closer="#nufcClose", NewForm="#NewUserForm";
$(function() {
  opener = $(opener);
  closer = $(closer);
  NewFormContainer = $(NewFormContainer);
  NewForm = $(NewForm);
  ...

jQuery选择器缓存问题

2 个答案: