大约有 40,000 项符合查询结果（耗时：0.0144秒） [XML]
How can I pop-up a print dialog box using Javascript?
...n the user arrives at the print-friendly page. How can I do this with javascript?
8 Answers
...
Testing if jQueryUI has loaded
...
I know this is an old question, but here is a quick little script you can use to wrap all your jQuery UI things that don't have an associated event to make sure they get executed only after jQuery UI is loaded:
function checkJqueryUI() {
if (typeof jQuery.ui != 'undefined') {
...
How to use Checkbox inside Select Option
... element but you can get the same functionality by using HTML, CSS and JavaScript. Here is a possible working solution. The explanation follows.
Code:
var expanded = false;
function showCheckboxes() {
var checkboxes = document.getElementById("checkboxes");
if (!expanded) {
ch...
Cross-browser window resize event - JavaScript / jQuery
...
Elijah, this is JavaScript. What you wrote is not correct (except for one specific case when you are constructing with new).
– Yoh Suzuki
Mar 13 '13 at 21:00
...
How does the “this” keyword work?
...he this keyword is and how it is correctly (and incorrectly) used in JavaScript on the Stack Overflow site.
22 Answers
...
What does = +_ mean in JavaScript
...how use of =+ to convert a string into int.
example:
y = +'5'
x = y +5
alert(x);
outputs 10
use: So here y is int 5 because of =+
otherwise:
y = '5'
x = y +5
alert(x);
outputs 55
Where as _ is a variable.
_ = + '5'
x = _ + 5
alert(x)
outputs 10
Additionally,
It would be interesting...
Serving gzipped CSS and JavaScript from Amazon CloudFront via S3
...azon Announcement
Original answer:
The answer is to gzip the CSS and JavaScript files. Yes, you read that right.
gzip -9 production.min.css
This will produce production.min.css.gz. Remove the .gz, upload to S3 (or whatever origin server you're using) and explicitly set the Content-Encoding head...
How to get text box value in JavaScript
I am trying to use JavaScript to get the value from an HTML text box but value is not coming after white space
15 Answers
...
Check if user is using IE
...
Use below JavaScript method :
function msieversion()
{
var ua = window.navigator.userAgent;
var msie = ua.indexOf("MSIE ");
if (msie > 0) // If Internet Explorer, return version number
{
alert(parseInt(ua.sub...
back button callback in navigationController in iOS
...otViewControllerAnimated:YES];
}
Then you can do things like raise an UIAlertView to confirm the action, then pop the view controller, etc.
Or instead of creating a new backbutton, you can conform to the UINavigationController delegate methods to do actions when the back button is pressed.
...