Ajax simple implementation of asynchronous file upload methods
1. Understand FormData object
FormData is a newly added class of Html5, which can simulate form data
Constructor
explain
FormData (optional HTMLFormElement form)
(optional) an HTML form element that can contain any form of form control, including a file input box
Method
void append(DOMString name, DOMString value)
Name for ...
Posted by badre on Sun, 15 Dec 2019 16:08:09 +0100
html textarea highly adaptive
1. It can be tested directly in the test page of rookie tutorial website
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script>
<title>Rookie tutorial(runoob.com)</title>
</head>
<body>
<textarea styl ...
Posted by Brendan Nolan on Wed, 11 Dec 2019 10:47:29 +0100
Click the question mark on the HTML page to display the prompt box
Function of this demo: click the page button to display a prompt message on its edge, and click anywhere on the page to disappear.
The following picture:
1. Required plug-ins:
jquery plug-in;
layer plug-in;
2.HTML content:
==Note = =:
class="j-help-tips" this class is the core and indispensable.
The data tips attribute is required. ...
Posted by jponte on Wed, 11 Dec 2019 03:11:54 +0100
How can I find out which DOM element has focus?
I want to use JavaScript to find out what elements I'm focusing on. I've been browsing the DOM, but I haven't found what I need. Is there a way to do that?
I look for the reason:
I try to navigate through input element tables like arrow keys and enter. The tabs are now available, but can be entered, and by default, the arrows are not dis ...
Posted by v1ral on Tue, 10 Dec 2019 20:49:21 +0100
JAVAWEB file download
Use: file download in Java Web Environment
Front end page code:
<a class="formControls col-sm-5" id="view_filePath" ></a>
jquery code (data is the data obtained from the background by making ajax request)
$('#view_filePath').html(data.filePath);
$('#view_filePath').attr('href','/ctl-web/file/downFile?filePath ...
Posted by nassertx on Tue, 10 Dec 2019 11:37:40 +0100
On the transformation and modification of json time data format
When using easyui to get JSON time data, it is usually a long string of numbers rather than the normal time format like 2018-11-01 we want.
At this point, we need to use the JSON time format, and convert the time to the format we want.
General conversion format
The previous "toLocaleDateString()" was used, but bugs were found when it ...
Posted by shoutdots on Sun, 08 Dec 2019 06:50:59 +0100
Summary of front-end common plug-ins and tool Libraries
Preface
In development, we often encapsulate some commonly used code blocks and function blocks to make better reuse. Then, the plug-in is formed by pulling out the plug-in to complete the function independently and interacting with other parts through API or configuration items.
Here are some common front-end open-source plug-ins that I have ...
Posted by joukar on Sun, 08 Dec 2019 03:51:57 +0100
Front end and mobile development project III
Animation review parallax scrolling plug-inParallax Scrolling (Parallax Scrolling) refers to the web page display technology that multi-level elements move in different degrees in the process of web page scrolling, forming a three-dimensional motion effect visuallyThe main core is that the foreground and background move at different speeds to ...
Posted by xlxprophetxlx on Sat, 07 Dec 2019 13:33:14 +0100
jQuery - (similar to lottery Carousel) highlighted
The effect is as follows:
The original picture starts to change after the mouse enters
Implementation requirements:
Page loading starts, and the effect is as shown in the original figure. After the mouse enters the box, the picture will be highlighted at the current ...
Posted by sangamon on Sat, 07 Dec 2019 03:38:57 +0100
Using jQuery and Bootstrap in Vue CLI3.0
Using jQuery and Bootstrap in Vue is not particularly in line with Vue's native writing method, but sometimes it has to be used, so put my introduction settings for your reference.
To introduce jQuery and Bootstrap into Vue cli 2.0, you need to set many configuration items. There are many methods on the Internet, which will not be repeated here ...
Posted by cbrknight on Tue, 03 Dec 2019 11:45:52 +0100