H5点击底部导航切换图标文字
html代码:
<div class="btm_group">
<div class="bbtn btn1 btm_s" data-type="u" data-id="1" >
<img id="b_img1" src="__PUBLIC__/img/btm1-s.png" class=""/>
<span>福利</span>
</div>
<div class="bbtn btn2" data-type="u" data-id="2" >
<img id="b_img2" src="__PUBLIC__/img/btm2-u.png" class=""/>
<span>书城</span>
</div>
<div class="bbtn btn3" data-type="u" data-id="3" >
<img id="b_img3" src="__PUBLIC__/img/btm3-u.png" class=""/>
<span>我的</span>
</div>
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