HTML | defer Attribute
The HTML defer attribute is a boolean attribute which is used to specify that script is executed when the page has finished parsing. This attribute only works with external scripts.
Applicable:
<script>
Example:
html
<!DOCTYPE html> < html > < head > < title > HTML defer Attribute </ title > </ head > < body style = "text-align:center;" > < h1 style = "color:green" > w3wiki </ h1 > < h2 > HTML defer Attribute </ h2 > < script id = "myBeginner" type = "text/javascript" src = "my_script.js" defer> </ script > < br > < button type = "button" onclick = "myFunction()" > Submit </ button > </ body > </ html > |
External script: my_script.js
javascript
function myFunction() { alert( "Script works" ); } |
Output:
Before Click:
After Click:
Supported Browsers: The browsers supported by HTML defer Attribute are listed below:
- Google Chrome
- Edge 12 and above
- Firefox 3.5 and above
- Apple Safari
- Opera