In short: No, average users don't understand that. You could either just show all options with checkboxes or try something fancy like a dropdown with checkboxes (example, see features dropdown).
- How do you make multiple select boxes in HTML?
- Which form element is used for multiple selection in HTML?
- When we should allow user to select many options out of given option we should use?
- Which tag is used to select multiple options?
How do you make multiple select boxes in HTML?
For windows: Hold down the control (ctrl) button to select multiple options. For Mac: Hold down the command button to select multiple options.
Which form element is used for multiple selection in HTML?
The <textarea> Element.
When we should allow user to select many options out of given option we should use?
Use a list box when you want to: Enable users to make multiple choices from a set of predefined options.
Which tag is used to select multiple options?
In such cases, all you have to do is use the <select> tag with the multiple attribute, and then the user will have to hold down the ctrl key on Windows, or its alternative for other OS, while making their selections.