select option default
<select> <option disabled selected value> -- select an option -- </option> <option>Option 1</option> <option>Option 2</option> <option>Option 3</option> ... ,use <option selected="true" disabled="disabled">Choose Tagging</option>.
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 select option default 相關參考資料
How can I set the default value for an HTML <select> element ...
Set selected="selected" for the option you want to be the default. <option selected="selected"> 3 </option>. https://stackoverflow.com default select option as blank - Stack Overflow
<select> <option disabled selected value> -- select an option -- </option> <option>Option 1</option> <option>Option 2</option> <option>Option 3</opti... https://stackoverflow.com How to show disable HTML select option in by default? - Stack Overflow
use <option selected="true" disabled="disabled">Choose Tagging</option>. https://stackoverflow.com <select> dropdown default value - Stack Overflow
Just put selected="selected" on the option depending on your $row['status'] , <option selected="selected" value="available">Available</option>. https://stackoverflow.com Find default selected option in HTML select tag? - Stack Overflow
Usually the default is the first <option> in the <select> , so you can do that: $(this).find("option:first").attr("selected", true);. Though, if you're resetting an... https://stackoverflow.com Set select option 'selected', by value - Stack Overflow
Use the change() event after selecting the value. From the docs: If the field loses focus without the contents having changed, the event is not triggered. To trigger ... https://stackoverflow.com HTML option selected Attribute - W3Schools
Definition and Usage. The selected attribute is a boolean attribute. When present, it specifies that an option should be pre-selected when the page loads. https://www.w3schools.com How can I set the default value for an HTML <select> element
Also, you can set the default value from the dropdown list of items in HTML forms. For that, add selected in the <option> tag for the value you ... https://www.tutorialspoint.com HTML <option> 标签的selected 属性 - W3school
定义和用法. selected 属性规定在页面加载时预先选定该选项。 被预选的选项会显示在下拉列表最前面的位置。 也可以在页面加载后通过JavaScript 设置selected ... http://www.w3school.com.cn |