Tutorial Site js
https://wiki.chongtin.com/
2026-04-09T00:01:09+00:00Tutorial Site
https://wiki.chongtin.com/
https://wiki.chongtin.com/ttps://wiki.chongtin.com/lib/tpl/bootstrap3/images/favicon.icotext/html2018-11-08T10:01:32+00:00Anonymous (anonymous@undisclosed.example.com)AJAX-like jQuery File Download
https://wiki.chongtin.com/js/ajax-like_jquery_file_download?do=revisions&rev=1541642492
AJAX-like jQuery File Download
jQuery File Download is a file downloader plugin that make the downlaod look like ajax. The way it does the download is to use a hidden html iframe + server edit cookie to signal the front end the download it completed. It is developed by johnculviner.com. Here we only covered what I would like to be covered. For more details, always go to the offical sitetext/html2018-11-07T11:24:12+00:00Anonymous (anonymous@undisclosed.example.com)AJAX
https://wiki.chongtin.com/js/ajax?do=revisions&rev=1541561052
AJAX
Your have a form, and there is a Save in it. You can add click callback to this button to submit the form by ajax. Here we only covered what I would like to talk about. For more details, go to <http://api.jquery.com/jquery.ajax/>.
Client Code
$("#btn-save").click(function(){
var form = $(this).closest('form').get(0);
var jform = $(form);
$.ajax({
method:"post",
dataType: "json",
url: jform.attr('action'),
data: jform.serialize(),
success: function(data, textStatus, jqXHR) {…text/html2020-09-08T15:23:00+00:00Anonymous (anonymous@undisclosed.example.com)Javascript Promises
https://wiki.chongtin.com/js/javascript_promises?do=revisions&rev=1599549780
Javascript Promises
Very details article about promises: <https://web.dev/promises/>
Fact
* Support by Chrome 32, Opera 19, Firefox 29, Safari 8 & Microsoft Edge, and up
* A Promise can be chained with .then(CALL_BACK_FUNCTION(VARIABLE){...}) and ,catch(CALL_BACK_FUNCTION(VARIABLE){text/html2020-01-08T12:12:00+00:00Anonymous (anonymous@undisclosed.example.com)Javascript String Functions
https://wiki.chongtin.com/js/javascript_string_functions?do=revisions&rev=1578456720
Javascript String Functions
String to Char Array
let text = "abcdef";
let charSequence = text.split('');
Char Array to String
let arr = ['a','b','c','d'];
let text = arr.join('');text/html2020-09-16T15:50:13+00:00Anonymous (anonymous@undisclosed.example.com)Javascript URLSearchParams
https://wiki.chongtin.com/js/javascript_urlsearchparams?do=revisions&rev=1600242613
Javascript URLSearchParams
URLSearchParams is an JavaScript Object that handle the search/query parameters in your URL. Details can be find in <https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams>
Usage
Assume you have the query/search part of the URL. You can create an URLSearchParams object by:
var paramsString = "q=URLUtils.searchParams&topic=api";
var searchParams = new URLSearchParams(paramsString);
//Iterate the search parameters.
for (let p of searchParams) {
console.…