the picture of the PC page is blurry on the macbookPro retina screen. How do you solve this problem? the design draft PC given by the sister of UI design is 500x500; the web page also shows that there is no problem on 500x500 window but it will past...
ie prints the web page, the first page has content, from the second page starts to show blank, excuse me bosses, is there any solution? ...
1, there is a need to drag the icon, put it in one place, and generate a shortcut. I used the drag attribute in CSS to drag 2. The problem is: drag with the background color before dragging. I don t want this background color. here s what happens w...
wrote a web page to embed the PC client. Now I encounter a problem: :position: absolute;z-index:100;background:-sharpFFF;...PCwin7win10 position:fixed is useless, is it because of some css compatibility issue ...
<!DOCTYPE html> <html> <head> <title> < title> <meta charset="utf-8"> <link rel="stylesheet" type="text css" href="demo13.css"> < head> <b...
Ladies and Gentlemen, I have the following questions about the code that needs to be submitted for software copyright application: 1. Is all the js,css,html and other codes directly mixed together? 2. Whether to submit the key code or all the code, inc...
,marginpadding: <div class="core J_core">< div> <div class="sub-column">< div> ...
although the current mainstream of learning does not deal with these compatibility issues, this is something we can t ignore in front-end development. you can t just caniuse with an attribute, can you? so, wouldn t it be convenient to have such an e...
refer to many linked blogs and solutions. The screenshot on PC is normal, but the screenshot on mobile cannot be fully displayed. Screenshot of mobile terminal: PC: the complete code is as follows: <!doctype html> <html lang="en&qu...
.a, .b { padding: 100px; background: -sharpccc; margin: 20px; } .a { float: left; background: pink; } <div class="a">< div> <div class="b">< div> ...
40px,<a><img>,<a><img> <a>21px? : JSBIN:https: jsbin.com fokuyamijo edit?html,css,output <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>JS Bin< title> <sty...
< H1 > box1 {< H1 > height:100px; padding:100px; background-color:black; } < H1 > box2 {< H1 > height:100px; margin: 0 -100px; background-color:black; } what is the principle that neither of the above box sets the width, but can be stretched to th...
problem description transform card 3D conversion, with content An on the front and content B on the back. The ideal result is that content A disappears and content B displays after the card is flipped. chrome is normal. Content A disappears after car...
A picture similar to the following effect is flipped. Swiping down is the previous one, and sliding up is the next one: how to solve this? ...
how do I use css animation to scroll one line every other second? <html> <head> <style> .mf { animation-name: example; animation-duration: 4s; animation-timing-function: steps(5) } ...
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A problem I saw in Zhihu, I don t understand why the result is 123 . for(var i=1;i<=4;iPP){ var time=setTimeout(function(i){ clearTimeout(time); console.log(i); },1000,i); } output results 1, 2, 2, 3 ...
Why is the body setting overflow: hidden invalid? < div> < body> ...
now has the following html structure, the number of li tags is unknown and variable, you need to use the ul tag display: flex to layout, the page effect is shown in the figure. effect description: figure 1. What to do when there are not enough li tags...
Why does the float start with the sibling element instead of the parent container? .a, .b { padding: 100px; background: -sharpccc; margin-top: 30px; } .a { float: left; background: pink; } <body> <div class="a&...
when I use the http: www.pss-system.gov.cn . regular search function, I jump to a new page. for example, if I type CN201711262863 for retrieval, I will jump to http: www.pss-system.gov.cn .. I want to know how the following params parameters are...
the property value I set to the object is empty, but what I get is {_ _ ob__: Observer}. I have reset the property value to null for my object, but because it does not match the type of that property, I cannot set it to null. If I get {_ _ ob__: Observe...
has an array. $a=[ [ id =>1,name= w1 ], [ id =>4,name= w3 ], [ id =>3,name= w2 ], [ id =>5,name= w5 ], [ id =>6,name= w22 ], [ id =>8,name= w222 ], [ id =>30,name= w30 ...
scrapy-redis multiple servers are running at the same time. Will the other servers stop sending ctrl+c, on one server? ...
npm run dev will not report an error and will work properly, but once packed, it will make a mistake and ask the bosses what s going on. I can t copy the npm code, so I can only put on the picture . ...