Jquery没有通过点击动态添加按钮来调用函数

问题描述

我有一个函数和一些代码：

 函数findMember（str）{
 // console.log （'search：'+ str）; 
 $ b $ .post（includes / search.php，{
 search：str，
}，function（data，status）{
 // console。 log（data）; 
 $（'＃creatorSearchMain'）。html（data）; 
}）; 
 
 
 $ b $（'＃creatorSearchInput'）。keyup（function（）{
 var target = $（'＃creatorSearchInput'）; 
 findMember（target.val（））; //删除并取消注释其他如果要在请求前等待
}）; 
  

这将从输入中选择文本并将其与.post一起用于查询数据库以搜索用户搜索的名称。 .post返回添加到div的html代码。

在返回的html中有一个按钮：

 < button class =followButtontype =submitvalue =1>关注< / button> 
  

当点击该按钮时，它会运行另一个javascript函数。

除了在使用.html添加返回给div的html之后单击按钮时，这一切都完美无缺。

澄清，该按钮在第一次加载页面时起作用，并且它在那里，但是当我将它放回新的结果中时，它似乎不会被javascript拾取。

  $（'。followButton'）。on（点击，function（）{
 #code in here 
}）; 
  

提前致谢！

解决方案

您的按钮正在动态添加，请使用 使用 添加点击处理程序，

  $（＃creatorSearchMain）。on click，。followButton，function（）{
 #code in here 
}）; 
  

* on（）之前的选择器， $（＃creatorSearchMain）在这里，应该是一个静态元素。

I have a function and some code:

function findMember(str) {
        // console.log('search: ' + str);

        $.post("includes/search.php", {
            search: str,
        }, function(data, status) {
            // console.log(data);
            $('#creatorSearchMain').html(data);
        });

    }

    $('#creatorSearchInput').keyup(function() {
        var target = $('#creatorSearchInput');
        findMember(target.val()); //remove and uncomment other if want to wait before request
    });

This selects the text from an input and uses it with .post to query the database to search for a user with the name searched. The .post returns html code that is added to a div.

In that html that is returned there is a button:

<button class="followButton " type="submit" value="1">Follow</button>

When that button is clicked it runs another javascript function.

This all works perfectly except for when I try and click the button after I have used .html to add the html returned to the div.

To clarify, the button works when the page is first loaded and it is there but when I put it back there with the new results it does not seem to be picked up by the javascript.

This is what I am using to activate the onclick button function:

$('.followButton').on("click", function() {
#code in here
});

Thanks in advance!

解决方案

Your button is being added dynamically, use event delegation using on() for adding click handlers to it,

$("#creatorSearchMain").on("click",".followButton", function() {
    #code in here
});

*The selector before on(), $("#creatorSearchMain") here, should be a static element.

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