How can we make a code using HTML, CSS, PHP, and JavaScript to add an HTML element onclick, and every time we click it just add that element over and over again? -
![Notice: Undefined index: href in Drupal\metatag_favicons\Plugin\metatag\Tag\MaskIcon->output [#3314232] | Drupal.org Notice: Undefined index: href in Drupal\metatag_favicons\Plugin\metatag\Tag\MaskIcon->output [#3314232] | Drupal.org](https://www.drupal.org/files/issues/2022-10-07/Screenshot%202022-10-07%20at%2010.54.13%20PM.png)
Notice: Undefined index: href in Drupal\metatag_favicons\Plugin\metatag\Tag\MaskIcon->output [#3314232] | Drupal.org
![PHP syntax highlighting when using shorthand php tags inside html tags · Issue #72547 · microsoft/vscode · GitHub PHP syntax highlighting when using shorthand php tags inside html tags · Issue #72547 · microsoft/vscode · GitHub](https://user-images.githubusercontent.com/927011/56361448-a845d800-61e7-11e9-9465-06cf2c2f1da2.png)
PHP syntax highlighting when using shorthand php tags inside html tags · Issue #72547 · microsoft/vscode · GitHub
![php - the blank space below the <body> tag & script tag and link tag goes under body tag from head tag - Stack Overflow php - the blank space below the <body> tag & script tag and link tag goes under body tag from head tag - Stack Overflow](https://i.stack.imgur.com/ukhWE.png)