select ... ⁄select Placeholder Label Option
Placeholder label option
If required attribute is present, multiple absent, and size attribute is absent or has the value="1", then a placeholder label option is required.
Video demonstration Placeholder Label Option concept
HTML5 placeholder label option Tutorial
| min | video details |
|---|---|
| 00:06 | video tutorial: the placeholder label option of the select element |
| 00:13 | IF: - the required attribute is present on select element - the multiple attribute is not present on select element - the size attribute is not present on select element OR if it's present has the value="1" (size="1") - the select element has at least 1 child option element which is its first child - this first child (= option element) has the value="" (empty string) THEN: - that option represents the 'placeholder label option' of the select element |
| 00:39 | the 'placeholder label option' of the select element |