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Why can't turn on (pause) radio button? [closed]

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You can see here:
How to find for .js (javascript)? This is from WooCommerce default coding. Coding from html via F12 "Your order". I copy the html and insert in Shipping page - it turns out badly. Could you help me? Thank you!
<input type="radio" name="shipping_method[0]" data-index="0" id="shipping_method_0_flat_rate11" value="flat_rate:11" class="shipping_method">
<input type="radio" name="shipping_method[0]" data-index="0" id="shipping_method_0_nova_poshta_shipping_method" value="nova_poshta_shipping_method" class="shipping_method">
<input type="radio" name="shipping_method[0]" data-index="0" id="shipping_method_0_flat_rate10" value="flat_rate:10" class="shipping_method">

Before
<input type="radio" name="shipping_method[0]" data-index="0" id="shipping_method_0_nova_poshta_shipping_method" value="nova_poshta_shipping_method" class="shipping_method">
After
<input type="radio" name="shipping_method[0]" data-index="0" id="shipping_method_0_nova_poshta_shipping_method" value="nova_poshta_shipping_method" class="shipping_method" checked>

how to pupoulate radio buttons and display this form [closed]

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I am using materialize framework and i have to populate this form using java script. I am not sure how to access them in my js file
<div class="row col s10 offset-s1" id="questionArea" style="display:none">
<blockquote class="flow-text"> Select the capital of the country shown below.</blockquote>
<div class="input-field col s6">
Question <span id="quesTextSpan"></span><p>
<input name="qOptions" type="radio" id="optionId0" class="with-gap qOptionClass" />
<label for="optionId0"></label>
</p>
<p>
<input name="qOptions" type="radio" id="optionId1" class="with-gap qOptionClass" />
<label for="optionId1"></label>
</p>
<p>
<input name="qOptions" type="radio" id="optionId2" class="with-gap qOptionClass" />
<label for="optionId2">d</label>
</p>
<p>
<input name="qOptions" type="radio" id="optionId3" class="with-gap qOptionClass" />
<label for="optionId3"></label>
</p>
</div>
</div>

You can access the values of the radio buttons like this:
var radioVal = document.getElementById('optionId0').checked;
You can then perform logic on them by using conditionals and functions.
To gather them all quickly I would recommend doing this.
var radios = document.querySelectorAll('input[type="radio"]');
This will give you an array with each of the elements.
You may then go through and change the value to true or false depending on how you want to populate them.
Example)
radios[0].checked = true // Sets the first radio button to be on.
Edit)
To display the div use:
document.getElementById('questionArea').style.display = '';
To hide the div use:
document.getElementById('questionArea').style.display = 'hidden';

I need help on what to do next JS [closed]

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<form>
<input type="radio" name="gender" value="Male">Male </br>
<input type="radio" name="gender" value="Female"> Female
</form>
example: when I check male and then I will go navigation and choose clothing so it will sort out the things that will be shown in clothing are all male clothing vice versa
sample html
sample navigation after choosing male or female

This will help you
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<form>
<input id="male" type="radio" name="gender"value="Male">Male
<input id="female" type="radio" name="gender" value="Female">Female
</form>
<li>
<a id="accesory" href="accesroy">Accesory</a>
<a id="maleapparel" style="display:none" href="maleapparellink">Male Apparel</a>
<a id="femaleapparel" style="display:none" href="femaleapparellink">Female Apparel</a>
</li>
<---js--->
<script>
$(document).on('click','#male',function(){
$("#accesory").hide();
$("#femaleapparel").hide();
$("#maleapparel").show();
});
$(document).on('click','#female',function(){
$("#accesory").hide();
$("#maleapparel").hide();
$("#femaleapparel").show();
});
</script>
<---js--->

Simple JavaScript quiz with radio buttons and multiple correct answers [closed]

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Im trying to make a simple quiz like so:
I would like to use a custom alert box, not the usual JavaScript one. So just a div that appears with my message inside.
Apologies if I do not have more to work with than the screenshots - I've looked at many other questions and bits of scripts, but I'm really interested in something simple that can push me in the right direction.
Thanks!

You could try with JQuery. Then you could show or hide the divs simply by using $("#mydiv").show() or $("#mydiv").hide().

.correct{max-width:100px;opacity:0}
input:checked.right ~div.correct{position:relative;background-color:yellow;top:-20px;left:70px;opacity:1;}
<div >
Which country is commonly called the U.S.A ?<br>
England<input type="radio" name="one" value="UK" /><br>
America<input type="radio" name="one" value="US" class="right"/><br>
<div class="correct">Correct</div></div>
<div >
Which country is commonly called the U.S.A ?<br>
England<input type="radio" name="two" value="UK" /><br>
America<input type="radio" name="two" value="US" class="right"/><br>
<div class="correct">Correct</div></div>
<div >
Which country is commonly called the U.S.A ?<br>
England<input type="radio" name="three" value="UK" /><br>
America<input type="radio" name="three" value="US" class="right"/><br>
<div class="correct">Correct</div></div>

Checking groups of checkboxes in javascript [closed]

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Closed 8 years ago.
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I am looking for a javascript that can check multiple checkboxes within a set group.
I am searching for something that would achieve this:
If checkbox group1 is checked checkbox 1,2,3,4,5 are checked.
I did not find a similar solution in Javascript please help me out!

here is a solution :
HTML :*
<input type="checkbox" onchange="check('1');" name="GRP" id="GRP1" />G1
<br>
<input type="checkbox" name="GRP-1" />1-G1
<input type="checkbox" name="GRP-1" />2-G1
<input type="checkbox" name="GRP-1" />3-G1
<input type="checkbox" name="GRP-1" />4-G1
<hr>
<input type="checkbox" onchange="check('2');" name="GRP" id="GRP2" />G2
<br>
<input type="checkbox" name="GRP-2" />1-G2
<input type="checkbox" name="GRP-2" />2-G2
<input type="checkbox" name="GRP-2" />3-G2
<input type="checkbox" name="GRP-2" />4-G2
<hr>
<input type="checkbox" onchange="check('3');" name="GRP" id="GRP3" />G3
<br>
<input type="checkbox" name="GRP-3" />1-G3
<input type="checkbox" name="GRP-3" />2-G3
<input type="checkbox" name="GRP-3" />3-G3
<input type="checkbox" name="GRP-3" />4-G3
JavaScript :
function check(grp_num)
{
var checks=document.getElementsByName('GRP-'+grp_num);
for(i=0;i<checks.length;i++){
checks[i].checked=document.getElementById("GRP"+grp_num).checked;
}
}