我想在“ Buscar”输入上按回车键，然后专注于第一个输入（“桌上的Qtd”）。
我尝试过 $（this）.nextAll（'input'）。first（）。focus（）;
$（this）.next（'input：text'）。focus（）;
我在这里和在线上找到了很多解决方案和其他代码，但是没有任何效果。我在控制台上没有收到任何错误，这使得发现我所缺少的内容变得更加困难。
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<!doctype html>
<html>
<head>
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css">
</head>
<body style="padding-top: 70px;">
<div class="container-fluid">
<div class="row">
<div class="col-6">
<center>
<div class="form-group has-feedback">
<input type="text" class="form-control" name="busca" id="busca" onclick="this.select()" placeholder="Buscar">
</div>
</center>
<table class="table table-striped">
<thead class="thead-dark">
<th class="w-50">Material</th>
<th>Unidade</th>
<th>Quantidade</th>
<th class="w-25">Preço</th>
<th>Qtd</th>
</thead>
<tbody class="resultado" id="lista">
<tr id="row1">
<td style="display:none;">1</td>
<td>Adesivo Instantâneo Almasuper 100g</td>
<td>Galão</td>
<td>64</td>
<td>R$ 20,00</td>
<td>
<div class="qtd" style="width: 60px;">
<input id="1" type="text" class="form-control" name="quantidade">
</div>
</td>
</tr>
<tr id="row4">
<td style="display:none;">4</td>
<td>Batente Silicone Adesivo 12mm com 25</td>
<td>Cartela</td>
<td></td>
<td>R$ 6,50</td>
<td>
<div class="qtd" style="width: 60px;">
<input id="4" type="text" class="form-control" name="quantidade">
</div>
</td>
</tbody>
</table>
</div>
</div>
答案 0 :(得分：0)
首先，您不应该设置数字ID。其次，buscar没有兄弟姐妹，因此您不能说nextAll，因为他们不是兄弟姐妹。
您可以做的是观察输入的Enter键，并专注于名称为id的第一个输入。请参阅下面的第一个功能。
$('#busca').on('keyup', function(e){
if(e.which === 13){
$('input[name="quantidade"]').first().focus();
}
});<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<!doctype html>
<html>
<head>
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css">
</head>
<body style="padding-top: 70px;">
<div class="container-fluid">
<div class="row">
<div class="col-6">
<center>
<div class="form-group has-feedback">
<input type="text" class="form-control" name="busca" id="busca" placeholder="Buscar">
</div>
</center>
<table class="table table-striped">
<thead class="thead-dark">
<th class="w-50">Material</th>
<th>Unidade</th>
<th>Quantidade</th>
<th class="w-25">Preço</th>
<th>Qtd</th>
</thead>
<tbody class="resultado" id="lista">
<tr id="row1">
<td style="display:none;">1</td>
<td>Adesivo Instantâneo Almasuper 100g</td>
<td>Galão</td>
<td>64</td>
<td>R$ 20,00</td>
<td>
<div class="qtd" style="width: 60px;">
<input id="1" type="text" class="form-control" name="quantidade">
</div>
</td>
</tr>
<tr id="row4">
<td style="display:none;">4</td>
<td>Batente Silicone Adesivo 12mm com 25</td>
<td>Cartela</td>
<td></td>
<td>R$ 6,50</td>
<td>
<div class="qtd" style="width: 60px;">
<input id="4" type="text" class="form-control" name="quantidade">
</div>
</td>
</tbody>
</table>
</div>
</div>
答案 1 :(得分：0)
// get all the inputs that are not disabled and not hidden
var $allInputs = $(':input:not(:disabled):not(:hidden)');
$('#busca').on('keyup', function(e){
// if enter was pressed
if ((e.keyCode || e.which) === 13) {
// cancel any form submit that might happen
e.preventDefault();
// focus on the input that is the next index after the index that busca has
$allInputs.eq( $allInputs.index(this) + 1 ).focus();
}
});<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="container-fluid">
<div class="row">
<div class="col-6">
<center>
<div class="form-group has-feedback">
<input type="text" class="form-control" name="busca" id="busca" onclick="this.select()" placeholder="Buscar">
</div>
</center>
<table class="table table-striped">
<thead class="thead-dark">
<th class="w-50">Material</th>
<th>Unidade</th>
<th>Quantidade</th>
<th class="w-25">Preço</th>
<th>Qtd</th>
</thead>
<tbody class="resultado" id="lista">
<tr id="row1">
<td style="display:none;">1</td>
<td>Adesivo Instantâneo Almasuper 100g</td>
<td>Galão</td>
<td>64</td>
<td>R$ 20,00</td>
<td>
<div class="qtd" style="width: 60px;">
<input id="1" type="text" class="form-control" name="quantidade">
</div>
</td>
</tr>
<tr id="row4">
<td style="display:none;">4</td>
<td>Batente Silicone Adesivo 12mm com 25</td>
<td>Cartela</td>
<td></td>
<td>R$ 6,50</td>
<td>
<div class="qtd" style="width: 60px;">
<input id="4" type="text" class="form-control" name="quantidade">
</div>
</td>
</tbody>
</table>
</div>
</div>