Store Checkbox Bulletin For Free

The Input Checkbox defaultChecked property in HTML is used to return the default value of checked attribute. It has a boolean value which returns true if the checkbox is checked by default, otherwise returns false.

The checked attribute is a boolean attribute. When present, it specifies that an <input> element should be pre-selected (checked) when the page loads. The checked attribute can be used with <input type="checkbox"> and <input type="radio"> . The checked attribute can also be set after the page load, with a JavaScript.

HTML <button onclick="save()">Save</button> <button onclick="load_()">Load</button> <br><br> <input type="checkbox" value="1-1" /> Checkbox 1<br /> <input type="checkbox" value="1-2" /> Checkbox 2<br /> <input type="checkbox" value="1-3" /> Checkbox 3<br /> <input type="checkbox" value="1-4" /> Checkbox 4<br />

HTML <button onclick="save()">Save</button> <button onclick="load_()">Load</button> <br><br> <input type="checkbox" value="1-1" /> Checkbox 1<br /> <input type="checkbox" value="1-2" /> Checkbox 2<br /> <input type="checkbox" value="1-3" /> Checkbox 3<br /> <input type="checkbox" value="1-4" /> Checkbox 4<br />

Php include("config. php"); session_start(); if(isset($_SESSION['products'])){ for($i = 0; $i < 24; $i++) { echo '<name="product[]" type="checkbox" value="'. $i. '" alt="1607.00"'; if(in_array($i, $_SESSION["products"])) echo ' checked="checked" '; echo ' />';} }?>

We will display the selected values in a textbox in this example. Create a react app. Make a form with checkboxes. Check multiple boxes. Display the checked values in the textbox.

Store all selected checkbox value in array using for loop. Inside this function, create a new blank array ( let arr = [] ). Then, store the selected checkbox into a variable using querySelectorAll() method.