Tutorial on implementing drop-down list function with jquery and css
Drop-down lists can be implemented in many languages. This article introduces the drop-down list function implemented by combining jquery and css through example code. It is very good and has reference value. Friends who need it can refer to it. I hope it can help everyone. .
Without further ado, I will post the code directly for you. The specific code is as follows:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>fruit</title>
<style type="text/css">
.hide {
display: none;
}
p {
float: left;
width: 100%;
}
.selector-containter {
margin-bottom: 10px;
}
.selector {
width: 200px;
background: #FFF;
border: 1px solid #DDD;
}
.selector-hint {
width: 178px;
border: 1px solid #DDD;
}
.selector-expand {
width: 8px;
border: 1px solid #DDD;
}
.selector-collapse {
width: 8px;
border: 1px solid #DDD;
}
</style>
<script src="jquery-3.2.1.min.js"></script>
<script>
$(document).ready(function() {
//使用on方法，采用事件委派机制，selector-option-container中的内容为后续动态追加
$('.selector').on('click', '.selector-expand', function() {
$(this).parent().children('.selector-option-container').children().remove();
$(this).parent().children('.selector-option-container').append('<p><input type="checkbox" name="fruitGroup" class="selector-checkbox"/></p><p class="selector-option">apricot</p>');
$(this).parent().children('.selector-option-container').append('<p><input type="checkbox" name="fruitGroup" class="selector-checkbox"/></p><p class="selector-option">banana</p>');
$(this).nextAll('.selector-option-container').removeClass('hide');
});
$('.selector').on('click', '.selector-collapse', function() {
$(this).nextAll('.selector-option-container').addClass('hide');
});
$('.selector-t1').on('click', '.selector-option', function() {
$(this).parent().parent().children('.selector-hint').text($(this).text());
$(this).parent().addClass('hide');
});
$('.selector-t1').on('click', '.selector-checkbox', function() {
$(this).parent().parent().parent().children('.selector-hint').text($(this).parent().next().text());
//采用prop方法，对于值为布尔型的属性赋值
$(this).prop('checked', false);
$(this).parent().parent().addClass('hide');
});
});
</script>
</head>
<body>
<p id="titan" class="selector-containter">
<p id="fruit">
<p class="selector">
<p class="selector-hint">select fruit</p>
<p class="selector-expand">+</p>
<p class="selector-collapse">-</p>
<p class="selector-option-container">
</p>
</p>
</p>
</p>
<p id="athena" class="selector-t1 selector-containter">
<p id="fruit">
<p class="selector">
<p class="selector-hint">select fruit</p>
<p class="selector-expand">+</p>
<p class="selector-collapse">-</p>
<p class="selector-option-container">
</p>
</p>
</p>
</p>
</body>
</html>Related recommendations:
How to implement the WeChat applet display drop-down list function
Native js implementation of the drop-down list box
javascript for HTML drop-down List tag operations
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