Javascript 如果未选中一个框，如何禁用“允许”按钮？仅当选中所有复选框时，才应启用“允许”按钮？
仅当选中所有复选框时，才应禁用“允许”按钮。我该怎么做？我已经完成了下面给出的HTML部分。如何做它的逻辑部分？允许按钮应该被禁用，即使有一个框未选中Javascript 如果未选中一个框，如何禁用“允许”按钮？仅当选中所有复选框时，才应启用“允许”按钮？,javascript,forms,web,Javascript,Forms,Web,仅当选中所有复选框时，才应禁用“允许”按钮。我该怎么做？我已经完成了下面给出的HTML部分。如何做它的逻辑部分？允许按钮应该被禁用，即使有一个框未选中 <form role="form" action="{{{basePath}}}/consent" method="post"> <table style="width:100%; border-collapse: collapse;"> <tr style="border-c
<form role="form" action="{{{basePath}}}/consent" method="post">
<table style="width:100%;
border-collapse: collapse;">
<tr style="border-collapse: collapse;">
<td> <span>
<span style="color: #111;"><b>Open</b></span><span style="color: #0078bf;"><b>Bank</b></span>
</span></td><td>Account Information</td>
<td><input type="checkbox" name="information" value="info" checked></td>
</tr>
<tr style="border-collapse: collapse;">
<td> <span>
<span style="color: #111;"><b>Open</b></span><span style="color: #0078bf;"><b>Bank</b></span>
</span></td>
<td>Account Balance</td>
<td><input type="checkbox" name="balance" value="bal" checked></td>
</tr>
<tr style="border-collapse: collapse;"> <td> <span>
<span style="color: #111;"><b>Open</b></span><span style="color: #0078bf;"><b>Bank</b></span>
</span></td>
<td>Account Transactions</td>
<td><input type="checkbox" name="transaction" value="trans" checked></td>
</tr>
</table>
</div>
{{#if scopes}}
<!--<ul class="list-group">
{{#each scopes}}
<li class="list-group-item">{{this}}</li>
{{/each}}
</ul>-->
<script type="text/javascript">
$('#account-selector').change(function(){
console.log(this.value);
//console.log(accounts[this.value].amount);
})
</script>
<br><label style="margin-left:25%;" class="account-select">Please select an account</label><br>
<select style="width:100%;" class="dropbdown" id="account-selector" required name="account_number">
<option selected="selected" disabled="disabled">--Select an Account--</option>
{{#each accounts}}
<option value="{{this.account_number}}">{{this.label}} ({{this.account_number}})</option>
{{/each}}
</select>
<br>
<span id="amount-balance"></span>
{{else}}
<h3>The application does not require any permissions.</h3>
{{/if}}
{{#if to}}
<div class="panel panel-default">
<div class="panel-body">
<div>I agree to transfer <strong>{{amount}} GBP</strong> to account number: <strong>{{to}}</strong></div>
</div>
</div>
{{/if}}
{{#if tnc}}
<p>I agree to the <a href="{{tnc}}" class="tnc-link" target="_blank">Terms and conditions</a></p>
{{/if}}
<br><p>By clicking <strong>Allow</strong>, you will allow <strong>Accenture AISP</strong> and <strong>OpenBank</strong> to use your information in accordance with their respective terms of service and privacy policy for 90 days.
</p>
<div class="consent-button">
<button type="submit" name="allow" value="allow" class="btn btn-primary grass-btn" style="width:48%">Allow</button>
<button type="submit" name="deny" value="deny" class="btn btn-primary grass-btn" style="width:48%">Cancel</button>
</div>
</form>
这对你很有用
<html>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script>
$(document).ready(function () {
$(":checkbox").change(function () {
debugger;
var all_checked;
$(":checkbox").each(function () {
if (this.checked) {
all_checked = true;
}
else {
all_checked = false;
return false;
}
})
if (all_checked) {
//enable your button here
$("#bttn_submit").prop("disabled", false)
}
else {
//disable your button here
$("#bttn_submit").prop("disabled", "disabled")
}
})
})
</script>
<form action="/action_page.php" method="get">
<input type="checkbox" name="vehicle" value="Bike" checked> I have a bike<br>
<input type="checkbox" name="vehicle" value="Car" checked> I have a car<br>
<input id="bttn_submit" type="submit" value="Submit">
</form>
</html>
请给出启用和禁用按钮的代码。我是javascriptsimply新手，只需给你的提交按钮一个id，比如允许，然后在javascript中禁用它，比如$bttn_submit'.propdisabled，true或$bttn_submit'.propenabled，true抱歉我没有看到这个，在实现了我所给的之后，你能给我看一下代码吗？我已经为你发布了另一个答案。检查一下，如果它有效，别忘了接受
<input type="button" class="check" value="Check All" />
<input type="button" class="delete" value="allow" disabled />
<br/>
<input type="checkbox" class="cb-element" value="1" />Checkbox 1
<br/>
<input type="checkbox" class="cb-element" value="2" />Checkbox 2
<br/>
<input type="checkbox" class="cb-element" value="3" />Checkbox 3
<br/>
$('.check:button').click(function () {
var checked = !$(this).data('checked');
$('input:checkbox').prop('checked', checked);
$('.delete:button').prop('disabled', !checked)
$(this).data('checked', checked);
if (checked == true) {
$(this).val('Uncheck All');
} else if (checked == false) {
$(this).val('Check All');
}
});
$('input:checkbox').change(function () {
$('.delete:button').prop('disabled', $('input:checkbox:checked').length < 3)
})
$('.delete:button').click(function () {
var array = $('input:checkbox:checked').map(function () {
return this.value
}).get();
console.log(array, array.join())
})
<html>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script>
$(document).ready(function () {
$(":checkbox").change(function () {
debugger;
var all_checked;
$(":checkbox").each(function () {
if (this.checked) {
all_checked = true;
}
else {
all_checked = false;
return false;
}
})
if (all_checked) {
//enable your button here
$("#bttn_submit").prop("disabled", false)
}
else {
//disable your button here
$("#bttn_submit").prop("disabled", "disabled")
}
})
})
</script>
<form action="/action_page.php" method="get">
<input type="checkbox" name="vehicle" value="Bike" checked> I have a bike<br>
<input type="checkbox" name="vehicle" value="Car" checked> I have a car<br>
<input id="bttn_submit" type="submit" value="Submit">
</form>
</html>