I know you are looking for a whole library and all, which i could not
answer, but i do have a "common.js" file i use where i pieced together
*some* utility functions in js
function Left(str, n){
if (n <= 0) {
return '';
}
else if (n > String(str).length) {
return str;
}
else {
return String(str).substring(0,n);
}
}
function Right(str, n){
if (n <= 0) {
return '';
}
else if (n > String(str).length) {
return str;
}
else {
var iLen = String(str).length;
return String(str).substring(iLen, iLen - n);
}
}
function StartsWith(str, mtch) {
var lft = new Left(str, mtch.length);
return (lft == mtch);
}
function EndsWith(str, mtch) {
var rght = new Right(str, mtch.length);
return (rght == mtch);
}
function ValidDate(input) {
var validformat = /^\d{1,2}\/\d{1,2}\/\d{4}$/;
if (!validformat.test(input)) {
return false;
}
else {
var monthfield = input.split("/")[0];
var dayfield = input.split("/")[1];
var yearfield = input.split("/")[2];
var dayobj = new Date(yearfield, monthfield-1, dayfield);
if ((dayobj.getMonth()+1!=monthfield)||(dayobj.getDate()!
=dayfield)||(dayobj.getFullYear()!=yearfield)) {
return false;
}
else {
return true;
}
}
}
function EscapeHtml(txt) {
var div = document.createElement("div");
var text = document.createTextNode(txt);
div.appendChild(text);
return div.innerHTML;
}
Hope that helps, even if just a little
