#javascript-code-07-date.js / js
// A generic function for checking to see if an input element has // a date entered into it function checkDate( elem ) { // Make sure that something is entered, and that it // looks like a valid MM/DD/YYYY date return !elem.value || /^\d{2}\/\d{2}\/\d{2,4}// Get an input element to check var elem = document.getElementById("date"); // Check to see if the field contains a valid date if ( ! checkDate( elem ) ) { alert( "Field is not a date." ); }
(C) Æliens 20/2/2008
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