我正在尝试使用少量的javascript在rails中创建动态表单我有一个问题,使用pry时我在输出中仅得到一行,这显然是因为自从我使用jQuery .clone以来,每个字段输入都具有相同的参数,也许有人为类似的事情而苦苦挣扎,可以分享一些知识,如何使用javascript以这种形式将索引动态添加到参数中?
@extends('Admin.master')
@section('content')
<div class="p-5">
<h3><i class="fas fa-cog ml-2"></i>Setting</h3><hr>
<form action="{{ route('settings.update', $setting->id) }}" method="POST" >
@csrf
@method('PUT')
<div id="showDynamic">
</div>
</form>
</div>
@endsection
@section('script')
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
let count = 1;
$('.add').click(function(){
count++;
dynamic(count);
});
dynamic(count);
function dynamic(number) {
var html = '' +
'<div class="row">\n' +
'<div class="col-md-4">\n' +
'<input class="form-control" placeholder="Name">\n' +
'</div>\n' +
'<div class="col-md-4">\n' +
'<input class="form-control" placeholder="Link">\n' +
'</div>\n' +
'<div class="col-md-2">\n' +
'<a class="btn btn-primary" id="add">Add</a>\n' +
'<a class="btn btn-danger" id="delete">Delete</a>\n' +
'</div>\n' +
'</div>';
$('#showDynamic').append(html);
}
});
</script>
@endsection
第一个ID必须是唯一的..所以更改id="add"
和id="delete"
类class="btn btn-primary add"
将ID更改为类使用后,在动态创建的元素上进行第二次事件绑定$(document).on('click' , '.add' , function(){ //code here })
您的代码应为
<script>
$(document).ready(function(){
let count = 1;
$(document).on('click' , '.add' , function(){
count++;
dynamic(count);
});
dynamic(count);
function dynamic(number) {
var html = '' +
'<div class="row">\n' +
'<div class="col-md-4">\n' +
'<input class="form-control" placeholder="Name">\n' +
'</div>\n' +
'<div class="col-md-4">\n' +
'<input class="form-control" placeholder="Link">\n' +
'</div>\n' +
'<div class="col-md-2">\n' +
'<a class="btn btn-primary add">Add</a>\n' +
'<a class="btn btn-danger delete">Delete</a>\n' +
'</div>\n' +
'</div>';
$('#showDynamic').append(html);
}
});
</script>
$(document).ready(function(){
let count = 1;
$(document).on('click' , '.add' , function(){
count++;
dynamic(count);
});
dynamic(count);
function dynamic(number) {
var html = '' +
'<div class="row">\n' +
'<div class="col-md-4">\n' +
'<input class="form-control" placeholder="Name">\n' +
'</div>\n' +
'<div class="col-md-4">\n' +
'<input class="form-control" placeholder="Link">\n' +
'</div>\n' +
'<div class="col-md-2">\n' +
'<a class="btn btn-primary add">Add</a>\n' +
'<a class="btn btn-danger delete">Delete</a>\n' +
'</div>\n' +
'</div>';
$('#showDynamic').append(html);
}
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="showDynamic"></div>
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