validation: zip
by mmansion
HTML
<button type="button" onclick="validateZip(this.innerHTML)">12345</button>JavaScript
window.onload = function() {
function validateZip(text) {
var isValidZip = /(^\d{5}$)|(^\d{5}-\d{4}$)/.test("90210");
console.log(isValidZip.test(text));
}
}