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print selected value in Javascript [closed]

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Can anyone tell me how to print the selected value in the same web page in JavaScript for below code please?
<form>
What color do you prefer?
<input type="radio" name="colors" id="red">Red
<input type="radio" name="colors" id="blue">Blue
</form>

Well you can console.log it or add it inside another element on page. The following is an example.
document.querySelectorAll("input").forEach(function(elem) {
elem.addEventListener("input", function(ev) {
var value = elem.closest("label").innerText
console.log(value)
// or
document.getElementById("output").innerText = value
})
})
<form>
What color do you prefer?
<label><input type="radio" name="colors" id="red">Red</label>
<label><input type="radio" name="colors" id="blue">Blue</label>
</form>
<p id="output"></p>

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;
}
}

Best practice for reusing Javascript function [closed]

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I recently laid out a fairly simple quiz question with jQuery (show / hide, addclass and a variable to count attempts and respond if attempts = 2), and I'm trying to figure out the best practice for replicating the same code on multiple questions. Would the best practice be to change all the variables for both the HTML layout and the jQuery? Or is there a more efficient way to add a second / third.. etc question?
Here's how I laid out the first question.
<form class="ra">
<div class="cor">
<input type="radio" name="question1" class="c1" />A. Choice A<span class="hiddencorr">Correct answer</span>
</div>
<div class="inc">
<input type="radio" name="question1" class="i1" />B. Choice B<span class="incorr">Your choice</span>
</div>
<div class="inc">
<input type="radio" name="question1" class="i2" />C. Choice C<span class="incorr">Your choice</span>
</div>
<div class="inc">
<input type="radio" name="question1" class="i3" />D. Choice D<span class="incorr">Your choice</span>
</div>
<div class="inc">
<input type="radio" name="question1" class="i4" />E. Choice E<span class="incorr">Your choice</span>
</div>
</form>
<p class="rationale1"><b>Rationale:</b>
<br />
<br /><span class="rattext">Explanation of what was done wrong.</span>
</p>
<button id="radiochk1" class="checkhide">Check your answer</button>
<button id="resetq1" class="reset">Reset</button>
JS / CSS & functionality in fiddle.
http://jsfiddle.net/YSSWL/97/

Class values related to initial style and layout typically should not differ among like elements (though those indicating state could). Instead, increment your name and ID attributes using jQuery, similarly to what you're doing now for class.