Click the icon at the top of the Properties pane, and set the following text properties for the new selector: onselectstart="return false" prevents any selection on the element. The function is passed two parameters. function myFunction () {. This gives the CSS a way to know when the element has been clicked. A checkbox is a form element that allows the user to select multiple options from a range of options. "preview_on_click": true, // folder_exclude_patterns and file_exclude_patterns control which … Pressing the up arrow key to make a selector less specific works only when Dreamweaver first suggests a name for the selector. Writing custom actions for events Issue: when you need an action that is not available in the Events dialog. Chrome, IE8+, FireFox, Opera, Safari #Select. Some browsers may support double-tap to zoom. The HTMLInputElement.select() method selects the entire text in a