Question

In: Computer Science

This is in HTML and JavaScript So I have 2 radio buttons One called students and...

This is in HTML and JavaScript

So I have 2 radio buttons One called students and one called teacher. If the user selects the student then a list of check boxes these should appear. These should not be visable if the user selects the teacher radio button.

- buy text books

- visit teachers website

- attend class

If the user selects the teacher radio button then all the text boxes above should be hidden From the user. Then these check boxes should be appear.

- payment

- class time

- class list.

But if the user selects the student radio button then the check boxes above should not be visable.

Expert Solution

HTML code:

Code is commented for better understanding

<!DOCTYPE html>
<html>
<head>

#primary{
margin-bottom: 10px;
}
</style>
</head>

<body>

<form>
<fieldset id="primary">
<legend>radio buttons</legend>
<label><input type="radio" name="primary" data-group="#subOptions1"> student</label>
<label><input type="radio" name="primary" data-group="#subOptions2"> teacher</label>
</fieldset>

<fieldset id="secondary">
<legend>check boxes</legend>
<div id="subOptions1">
<label><input type="checkbox"> buy text books</label>
<label><input type="checkbox"> visit teachers website</label>
<label><input type="checkbox"> attend class</label>
</div>

<div id="subOptions2">
<label><input type="checkbox"> payment</label>
<label><input type="checkbox"> class time</label>
<label><input type="checkbox"> class list</label>
</div>
</fieldset>
</form>

//write a function to enable checkboxes
function enable(selector){
$(selector).show();
$(selector).find(":checkbox").each(function(){
$(this).prop("disabled", false)
});

if($("#secondary").is(":hidden")){
$("#secondary").show();
}
}

function handleRadioButtonChange(){
var numChecked = $("#primary").find(":checked").length; // check if primary is selected

if(numChecked === 0){ // then secondary is enabled
disable("#secondary");
} else { // else primary is diabled/ hid
var showGroup = $(this).data("group"),
hideGroup = $("#primary").find(":radio:not(:checked)").data("group"); // display checkboxes
disable(hideGroup);
enable(showGroup);
}
}

var $radioButtons = $("#primary :radio"); // assign the radio button values
$radioButtons.on("change", handleRadioButtonChange); // call the function here
$radioButtons.trigger("change"); // trigger the radio buttons

</script>

</body>
</html>

output:

when student is selected, only 3 checkboxes as said in question will be displayed

when teacher is selected, only 3 checkboxes for teachers as said in question will be displayed

venereology answered 10 months ago

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