مساعدة عاجلة.....لو سمحت

السلام عليكــم ورحمـة الله وبركاتــه ،،

أرجو مساعدتي في فهم هذا السؤال.رجاءاً

Develop, test and validate an XHTML document that collects the

following information from the user: first name, middle initial, last name, age (restricted to be greater

than 17), and weight (restricted to the range of 30 - 100). You must have event handlers for the form

elements that collect this information that check the input data for correctness. Messages in alert

windows must be produced when errors are detected.