html checkbox checked

1<div>
2  <input type="checkbox" id="scales" name="scales"
3         checked>
4  <label for="scales">Scales</label>
5</div>
6
7<div>
8  <input type="checkbox" id="horns" name="horns">
9  <label for="horns">Horns</label>
10</div>

1<!-- Add checked tag  -->
2<input type="checkbox" name="vehicle3" value="Boat" checked>

1<input type="checkbox" name="agreement" value="ok" checked>
2<label for="ok">I agree</label>

1<input type="checkbox" name="vehicle3" value="Boat" checked>
2
3#If if helps you give it Thumbs up

1<!--
2  You can also group multiple checkboxes by giving them the same "name".
3  When posted to PHP, all the checked boxes' values will appear in the
4  $_POST array under an index with the same name as your checkboxes.
5
6  E.g. if we check "bananas" and "apples" below and post the form then
7  our $_POST array will look something like this:
8  ['fruit' => ['bananas', 'apples']]
9-->
10<form>
11  <label>
12    <span>Bananas</span>
13    <input type="checkbox" name="fruit[]" value="bananas">
14  </label>
15  
16  <label>
17    <span>Apples</span>
18    <input type="checkbox" name="fruit[]" value="apples">
19  </label>
20  
21  <label>
22    <span>Grapes</span>
23    <input type="checkbox" name="fruit[]" value="grapes">
24  </label>
25  
26  <button type="submit">Submit</button>
27</form>

1   <input type="checkbox" checked={props.completed} /> 
2
3#for props completed is true/false , hence if completed is false then checkbox will not be clicked .
4# if the checkbox is true it will be will be checked
5