Multiple Select Dropdown List with JavaScript
JavaScript and HTML code to create a Multiple Select Dropdown List with JavaScript, more exactly, a Triple, and a Double Select Dropdown list. Easy to include in forms in HTMLdocuments. The script contains the HTML code for the first drop down list, tags to include with JavaScript the other select lists, according to selected option, and the JavaScript code with Objects (in JSON format) with data for the select drop down lists, and the text-content.