jQuery 通过单击按钮增加数字

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时间:2020-08-26 23:30:48  来源:igfitidea点击:

Increment a number by clicking onto a button

jquery

提问by Anon

I have the number $likes_numberin a div block on my page. I would like to know how to increment it dynamically by clicking on a button?

我的页面上有$likes_number一个 div 块中的数字。我想知道如何通过单击按钮动态增加它?

My code:

我的代码:

<div id="likes">
    <span class="figure">
        <?php echo $likes_number ;?>
    </span>
</div>
<button type="button" id="like" >Like</button>

回答by CONvid19

<script type="text/javascript" src="//code.jquery.com/jquery-1.6.2.js"></script>
<div id="likes">
    <span class="figure"></span>
</div>
<button type="button" id="like">Like</button>
<script type="text/javascript">
    var clicks = 0; $("#like").click(function(){ clicks++; $('.figure').html(clicks);});
</script>

Live example: https://jsfiddle.net/nTmu7/2/

实例:https: //jsfiddle.net/nTmu7/2/

回答by Bobby Hyman

$('#like').click(function() {
    $('#likes span').text( parseInt($('#likes span').text()) + 1 );
});

You can see an example here: http://jsfiddle.net/nayish/GCvnH/

你可以在这里看到一个例子:http: //jsfiddle.net/nayish/GCvnH/