Cara menggunakan hide class php

Question

Check whether a checkbox is checked with JavaScript.

Table of Contents Show

Check Whether a Checkbox is Checked
Use the jQuery toggle() method
How do I show and hide div elements using checkboxes?
How do I show and hide input fields based on checkbox?
How do I hide a check box?
How do you check checkbox is checked or not?

Table of Contents

Check Whether a Checkbox is Checked
Use the jQuery toggle() method
How do I show and hide div elements using checkboxes?
How do I show and hide input fields based on checkbox?
How do I hide a check box?
How do you check checkbox is checked or not?

Display some text when the checkbox is checked:

Checkbox:

Check Whether a Checkbox is Checked

Step 1) Add HTML:

Example

Checkbox: <input type="checkbox" id="myCheck" onclick="myFunction()">

<p id="text" style="display:none">Checkbox is CHECKED!</p>

Step 2) Add JavaScript:

Example

function myFunction() {
// Get the checkbox
var checkBox = document.getElementById("myCheck");
// Get the output text
var text = document.getElementById("text");

// If the checkbox is checked, display the output text
if (checkBox.checked == true){
text.style.display = "block";
} else {
text.style.display = "none";
}
}

Try it Yourself »

Use the jQuery toggle() method

The following example will demonstrate you how to show and hide div elements based on the selection of checkboxes using the jQuery toggle() method. The div boxes in the example are hidden by default using the CSS display property which value is set to none.

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery Show Hide Elements Using Checkboxes</title>
<style>
    .box{
        color: #fff;
        padding: 20px;
        display: none;
        margin-top: 20px;
    }
    .red{ background: #ff0000; }
    .green{ background: #228B22; }
    .blue{ background: #0000ff; }
</style>
<script src="https://code.jquery.com/jquery-1.12.4.min.js"></script>
<script>
$(document).ready(function(){
    $('input[type="checkbox"]').click(function(){
        var inputValue = $(this).attr("value");
        $("." + inputValue).toggle();
    });
});
</script>
</head>
<body>
    <div>
        <label><input type="checkbox" name="colorCheckbox" value="red"> red</label>
        <label><input type="checkbox" name="colorCheckbox" value="green"> green</label>
        <label><input type="checkbox" name="colorCheckbox" value="blue"> blue</label>
    </div>
    <div class="red box">You have selected <strong>red checkbox</strong> so i am here</div>
    <div class="green box">You have selected <strong>green checkbox</strong> so i am here</div>
    <div class="blue box">You have selected <strong>blue checkbox</strong> so i am here</div>
</body>
</html>

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How do I show and hide div elements using checkboxes?

Approach:.

Selector name for checkbox is same as the element which is used to display the. content..

CSS display property of each element is set to none using display: none; for hiding the element initially..

Use . toggle() method for displaying and hiding the element for checking and unchecking the box..

How do I show and hide input fields based on checkbox?

To show or hide the field, we are applying CSS through jQuery css() method. We are passing CSS display property. To hide the field, we set the display property to none and to show it we set the display property block.

How do I hide a check box?

There are several ways to hide the <input type="checkbox"> :.

Use display: none..

Use visibility: hidden..

Use opacity: 0..

Position it off the screen using position: absolute and an insanely big value like left: -9999px..

How do you check checkbox is checked or not?

Checking if a checkbox is checked First, select the checkbox using a DOM method such as getElementById() or querySelector() . Then, access the checked property of the checkbox element. If its checked property is true , then the checkbox is checked; otherwise, it is not.