/* Trim Functions */
String.prototype.trim = function() {
return this.replace(/^\s+|\s+$/g,"");
}
String.prototype.ltrim = function() {
return this.replace(/^\s+/g,"");
}
String.prototype.rtrim = function() {
return this.replace(/\s+$/g,"");
}
/*
Usage…
var test = " Test ";
var test1 = test.ltrim(); // returns "Test "
var test2 = test.rtrim(); // returns " Test"
var test3 = test.trim(); // returns "Test"
*/
/* Numeric Sort Function */
Array.prototype.sortNum = function() {
return this.sort( function (a,b) { return a-b; } );
}
/*
Usage…
var tmp = [5,9,12,18,56,1,10,42,30,7,97,53,33,35,27];
tmp=tmp.sortNum(); // returns 1,5,7,9,10,12,18,27,30,33,35,42,53,56,97
*/
/* Formatting Numbers */
function formatNumber(num,prefix){
prefix = prefix || '';
num += '';
var splitStr = num.split('.');
var splitLeft = splitStr[0];
var splitRight = splitStr.length > 1 ? '.' + splitStr[1] : '';
var regx = /(\d+)(\d{3})/;
while (regx.test(splitLeft)) {
splitLeft = splitLeft.replace(regx, '$1' + ',' + '$2');
}
return prefix + splitLeft + splitRight;
}
function unformatNumber(num) {
return num.replace(/([^0-9\.\-])/g,'')*1;
}
/*
Usage…
var test1 = formatNumber('5123456789.25'); // returns 5,123,456,789.25
var test2 = formatNumber(1234.15,'$'); // returns $1,234.15
var test3 = unformatNumber('$1,234.15'); // returns 1234.15
*/
/* Search an Array */
Array.prototype.find = function(searchStr) {
var returnArray = false;
for (i=0; i/g,'>');
};
String.prototype.stripTags = function () {
return this.replace(/<([^>]+)>/g,'');
}
/*
Usage…
var tmp = '';
var safe= tmp.htmlEntities(); // Returns "<html><head></head>";
var tmp = 'Some Link';
var safe= tmp.stripTags(); // Returns "Some Link";
*/
/* is it an object, or is it an Array? */
function isArray(testObject) {
return testObject && !(testObject.propertyIsEnumerable('length')) && typeof testObject === 'object' && typeof testObject.length === 'number';
}
/*
Usage…
var tmp = [5,9,12,18,'blue',30,7,97,53,33,30,35,27,30];
var tmp2 = {0:5,1:9,2:12}
test1 = isArray(tmp); // returns true
test2 = isArray(tmp2); // returns false;
*/
/* Cookies! */
function cookiesAllowed() {
setCookie('checkCookie', 'test', 1);
if (getCookie('checkCookie')) {
return deleteCookie('checkCookie');
}
return false;
}
function setCookie(name,value,expires, options) {
if (options===undefined) { options = {}; }
if ( expires ) {
var expires_date = new Date();
expires_date.setDate(expires_date.getDate() + expires)
}
document.cookie = name+'='+escape( value ) +
( ( expires ) ? ';expires='+expires_date.toGMTString() : '' ) +
( ( options.path ) ? ';path=' + options.path : '' ) +
( ( options.domain ) ? ';domain=' + options.domain : '' ) +
( ( options.secure ) ? ';secure' : '' );
}
function getCookie( name ) {
var start = document.cookie.indexOf( name + "=" );
var len = start + name.length + 1;
if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
return null;
}
if ( start == -1 ) return null;
var end = document.cookie.indexOf( ';', len );
if ( end == -1 ) end = document.cookie.length;
return unescape( document.cookie.substring( len, end ) );
}
function deleteCookie( name, path, domain ) {
if ( getCookie( name ) )
{
setCookie(name,"test","Thu, 01-Jan-1970 00:00:01 GMT");
//document.cookie = name + '=' + ( ( path ) ? ';path=' + path : '') + ( ( domain ) ? ';domain=' + domain : '' ) +';expires=Thu, 01-Jan-1970 00:00:01 GMT';
return true;
}
else
{
return false;
}
}
/*
Usage…
// Check if cookies are allowed in this browser.
if cookiesAllowed() {
alert('you can set cookies');
} else {
alert("This browser doesn't allow cookies.");
}
// Create a cookie named myCookie with a value of 'Peanut Butter'
// The cookie will expire in 10 days.
setCookie('myCookie','Peanut Butter', 10);
// Retreive the value of 'myCookie'
var userCookie = getCookie('myCookie');
// Delete 'myCookie'
deleteCookie('myCookie');
*/
/* Function Mapping */
Array.prototype.map = function(f) {
var returnArray=[];
for (i=0; i