Skip to content

Instantly share code, notes, and snippets.

View Quaese's full-sized avatar

Quaese

3 followers · 7 following
  • Javascript and Frontend Developer
  • Jena (Germany, Thuringia)
View GitHub Profile
@Quaese
Quaese / Example Hashmap v2.js
Last active October 15, 2022 14:17
Tipps + Tools
var hashtable = (function() {
var hashCode = function(value) {
var hash = 0,
i, chr, len;
value = value.toString();
if (value.length === 0) {
return hash;
}
@Quaese
Quaese / deep_copy_of_an_js_array.js
Last active October 24, 2018 10:02
Deep Copy of an Array (and Object -> Method 4)
// METHODE 1
Array.prototype.slice.call([array])
/*
* Example
var arr = [37, 1, 2, 3],
arr2 = Array.prototype.slice.call(arr);
console.log(arr === arr2); // false => not equal
@Quaese
Quaese / get_events.js
Last active December 24, 2015 07:16
Events eines Elements mit jQuery ermitteln
// http://stackoverflow.com/questions/2388030/accessing-functions-bound-to-event-handlers-with-jquery
// obj is an jQuery object, e.g.
var obj = $('body');
// jQuery < 1.8
obj.data('events');
// jQuery >= 1.8
$._data(obj[0], "events")
@Quaese
Quaese / vertical-align.css
Last active September 28, 2016 08:42
CSS3 - Elemente vertikal zentrieren
.vertical-align-class {
position: absolute;
top: 50%;
transform: translateY(-50%);
}
@Quaese
Quaese / blob_to_file.html
Created December 8, 2016 16:55
Blob to File (from dataURL string)
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Blob to File (from DataURL-String)</title>
<script>
window.onload = function () {
var file,
@Quaese
Quaese / dataURL_to_blob_to_file.html
Created December 8, 2016 19:16
dataURL to Blob to File
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>DataURL to Blob to File (from DataURL-String)</title>
<script>
window.onload = function () {
var dataURL = 'data:image/gif;base64,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
@Quaese
Quaese / jquery.deferred.js
Created February 8, 2017 06:42
Simple example for jQuery's Deferred object
(function($) {
var testAsyncDeferred = function() {
// create Deferred object
var deferredObject = $.Deferred();
setTimeout(function() {
var date = new Date().getTime();
if (date % 2 === 0) {
// resolve deferred => .done is executed
@Quaese
Quaese / flexbox-vertical.css
Last active January 10, 2018 20:54
.flexbox-vertical {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
}
/* prefixed */
/*
.flexbox-vertical {
@Quaese
Quaese / promise-es6.js
Last active December 7, 2020 18:12
ES6 Promise
// Promise - using then method to resolve promise and catch method to reject it
var promise = new Promise(function(resolve, reject) {
window.setTimeout(function() {
var now = new Date().getTime();
(now % 2) ? resolve("ungerade - " + now) : reject("gerade - " + now);
}, 1000);
});
promise
@Quaese
Quaese / preloader.js
Last active September 14, 2017 14:05
Native Image Preloader
(function() {
// extend object prototype
if (Object.extend === undefined) {
Object.prototype.extend = function(obj) {
var _key;
for (_key in obj) {
if (obj.hasOwnProperty(_key)) {
this[_key] = obj[_key];
}