-
What are the problems with ajax cross-domain requests?
ajax:
![clipboard.png]( img bV9nQe
look forward to pointing out my mistakes
...
-
Ajax requests all the data at once, how does the front end realize paging display?
who has the experience to help solve the problem
(need practical information and solve the problem directly, thank you)
(if you come to spray, please leave, thank you)
(not a hand-holding party, but will be paid after the actual operation is solve...
-
How to pass parameters to an ajax object and reinitiate a request
each ajax is defined as an object because there are more ajax queries in the page and $. When (), is used. For example,
var a1 = $.post({
url : report A rank 1 ,
data: p1,
contentType: application json;charset=UTF-8 ,
...
-
Why a bunch of HTML tags appear in the value of the $_ post superglobal variable
submit data to the server with a post request through Ajax, and output the value of the $_ post superglobal variable in PHP. The output is shown in the following figure
:
demo3.html
<!DOCTYPE html>
<html lang="en">
<hea...
-
Turntable raffle. When you click the lucky draw button, you want to trigger the rotation when the data does not come, and specify the appropriate location when you get the data.
when making a turntable raffle, send ajax, when clicking the raffle button. If the server delay is relatively large and the requested data cannot be returned in time, then it will appear that it cannot be rotated after clicking the raffle button, so what...
-
Set the parameter value and meaning of ajax before sending setRequestHeader () in post mode?
there is a problem with learning ajax. You need to set up before sending ajax in post mode.
ajax.setRequestHeader("content-type","application x-www-form- urlencoded");
but I heard that the second parameter also has "multipart fo...
-
Ajax preloaded resources
I request a font under ajax, and then I want to preload the font in this way, and then dynamically insert style tags elsewhere on the page with font definitions referencing the same path
@font-face {
font-family: FZY3JW;
src: url(.. cdn font F...
-
How does axios handle such situations concurrently?
function ajax(data){}
let allAjax = []
for(let i = 0;i<data.length;iPP)
allAjax.push(ajax(data[i]))
axios.all(allAjax).then(axios.spread(function (acct, perms) {})
is that the number of my requests is the length of the array, but how man...
-
Submit, can get different values in the same list.
<form id="form">
<button class="" type="submit" id="submit" data-type="normal-pay">
< button>
<br><br>
<button class=&q...
-
How does JS load pictures blocked by Synchronize?
problem description
if we load a picture, we often write:
class Car {
constructor() {
load shader
load texture
}
draw() {
use shader and texture to render
}
}
is loaded in the constructor, while draw...
-
How do I know the online status of each member? Please change the code by "I".
I am writing hard
$data = $pdo->query(
"SELECT * FROM `user` "
);
$data2 = $pdo->query(
"SELECT * FROM `user` "
);
where to display
<? while($row = mysqli_fetch_array($data)){ ?...
-
The ajax request was successful, but some of the data could not be accessed.
ajax requests background data. After console the msg, the data that appears shows that there is maxPage, but in the code, it will error that the maxPage is empty. What is the problem? here is my code
$.ajax({
url : ".. .. yqParameter quer...
-
VUE do an ajax poll. Where should the polling function be written?
now I have a requirement that I start to make a polling request all the time when I need to enter a page I want to ask me where this polling request should be written for example, should my polling function be fn () {} , should it be written in created...
-
Callback function for completion of ajax request
now there is a requirement to show the load component before the request and hide the load display immediately after the request is completed. But the Ajax value provides four callback functions: beforeSend,success,error,complete. To hide the load shows...
-
The problem of Chinese character coding in ajax call
after test.html clicks on the query, the characters that need to be queried to call test.php, are also encoded by url, sent to test.php, and then mysqli calls the SQL statement.
The process is very simple, and the code is here. You can query English, ...
-
How to change the upload program for medium editor?
Writer ...
-
Does ajax jump when it discovers error but fails?
ajax
error: function(jqXHR, textStatus, errorThrown) {
errorGo(textStatus, errorThrown);
},
errorGO ()
function errorGO(status, error){
console.log( textStatus: %s, errorThrown: %s , status, error, location, type);
alert( Something ...
-
How to prevent the front-end js from being tampered with?
the default is to grab data via "id " or selector (for example, .text () ) to the back end via ajax using e.currentTarget.dataset.XXX how can I avoid being tampered with by the server? do I have to give it to value later? I wonder if jquery h...
-
Webpack-dev-server solves cross-domain problems
the front and back ends are developed separately, and ajax is used to access the background interface. solved this cross-domain problem for the first time, and I don t know what went wrong. there is really nothing I can do.
js Code
url: v1 user ...
-
I would like to ask an iframe page that I have embedded. The ajax of the embedded page reports cross-domain problems. The background is configured with cross-domain requests. How to solve the problem?
I would like to ask an iframe page that I have embedded. The ajax of the embedded page reports cross-domain problems, and the background is configured with cross-domain requests. How to solve ...