From scratch to the original iPad, this work also referred to some online tutorials
The images required in this tutorial are provided in a package and uploaded to csdn.
: Http://download.csdn.net/download/yangyanghaoran/4344726
What will happen after this tutorial is completed?
By the way, you can use Photoshop to create GIF images and teach you shortcut keys and skills.
PS after completi
Use js to get the original image size and js to get the size
The size of the image displayed in the browser may not be his real height or width. For example, we add a width or height style to the image like below.
In this way, the size displayed in the browser is 25px. So h
js| page
We often encounter images in a page that are displayed in our own size, which makes the page look more standardized.For example, we want to display 130x160 pictures in the page, the equivalent of we put the picture into such a frame that, over the scale to the size of the box, small on the original display.We have 2 different solutions here,1, do not sca
var img = $ ("#img_id"); Get my img elemvar pic_real_width, pic_real_height;$ ("Technically, we can easily limit the picture with the maximum width of the text, so that all of them remain one width, without the width of the text, we need each picture's own size. We can declare the original size of the picture when the server is edited. A more flexible way is to d
This article mainly describes how JavaScript gets the original size of the picture in the width of the example, the need for friends can refer to the
Page of the IMG element, want to get its original size, take the width as an example may be the first thought is width, as follows
The code is as follows:
O1twaam26go
how to set Uitabbaritem font size and color in a dictionary, keep the original color (ITEM5) Uitabbar,uitabbaritem How to set Uitabbaritem font size and color in a dictionary, Keep the original color (ITEM5) Uitabbar,uitabbaritem How to set Uitabbaritem font size and color
Assume that there are three log groups, each of which has one member. The size of each member is 1 MB. Now we want to change the size of all three log groups to 10 MB.
1. create two new log groupsAlter database add logfile Group 4 ('d:/Oracle/oradata/oradb/redo04_1.log ') size 1024 K;Alter database add logfile group 5 ('d:/Oracle/oradata/oradb/redo05_1.log ')
If the image is not inserted into the DOM tree in the case of pre-loading, and it is not affected by the CSS rules, just take its IMG. Width and IMG. Height. For more information, see
Function LoadImage (URL, callback) {var IMG = new image (); IMG. onload = function () {IMG. onload = NULL; callback. call (IMG, IMG. width, IMG. height)} IMG. src = URL ;}
RunCode
However, if the original size of an ima
background-size as the original halfGeneral website is used to put all icon icons in a PNG format in a picture, one is the multi-icon file with a single icon file size difference, can be more space-saving, but also easy to load.But I used to do mobile site, because the actual size of the picture is put in the figure o
Page of the IMG element, want to get its original size, take the width as an example may be the first thought is width, as follows The Getwh method used here is mentioned in the previous article. The width you get is the same as the original size of the picture. If the IMG plus the width attribute, this way is not, f
Page of the IMG element, want to get its original size, take the width as an example may be the first thought is width, as follows
Copy Code code as follows:
The Getwh method used here is mentioned in the previous article. The width you get is the same as the original size of the picture.
If
How do I get the original size of a picture?When setting a fixed size for IMG, how do I get the original size of the image?#oImg { width:100px; height:100px;}src=id=alt=""> HTML5 provides a new property naturalwidth/naturalheight can directly get the
Sometimes in order to tidy up the layout, the page display of the picture must be limited to a wide, if you want to click on the image to enlarge to the original size of the preview, again click Back to the original appearance, you need to use the following code:Var_w=parseint ($ (window). width ());//Gets the breadth of the browser $ ("#abc img"). each (function
JavaScript: a simple method for obtaining the original size of page images, javascript pages
This example describes how to obtain the original size of a page image by using JavaScript. We will share this with you for your reference. The details are as follows:
The original
This article recommends an example of how to use js to obtain the original size of an image, which was extracted from my project. Here I will give it to you and take it away if necessary. The size of the image displayed in the browser may not be his real height or width. For example, we add a width or height style to the image like below.
In this way, the
For the img element in the page, to obtain its original size, take the width as an example, you may first think of width, as shown below:Copy codeThe Code is as follows: The getWH method used here is mentioned in the previous article. The obtained width is the same as the original size of the image.If the width attribu
The IMG element in the page, want to get its original size, with the width as an example the first thing you might think of is width, as follows
1 2 3) 4 5
Obviously, 400 is not the original width of the picture. There is a way to get to, create a new IMG object directly, and then assign the old img src to the new, this time t
Page of the IMG element, want to get its original size, take the width as an example may be the first thought is width, as follows
The Getwh method used here is mentioned in the previous article. The width you get is the same as the original size of the picture.
If the IMG plus the width attribute, this way is
(Original) method for obtaining the application and cache size after android4.2 (the source code has changed) and android4.2 source code
Used to obtain the application size
PackageManager mPackageManager = getPackageManager ();
try {Method getPackageSizeInfoMethod = PackageManager.class.getDeclaredMethod("getPackageSizeInfo", String.class, IPacka
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