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HttpServletRequest - how to obtain the referring URL?
...values for these headers, making them more trustworthy because not even an XSS vulnerability can be used to modify them.
The Source Origin check recommended here relies on three of these
protected headers: Origin, Referer, and Host, making it a pretty
strong CSRF defense all on its own.
Y...
How can I check if a key is pressed during the click event with jQuery?
...vent properties;
$("button").click(function(evt) {
if (evt.ctrlKey)
alert('Ctrl down');
if (evt.altKey)
alert('Alt down');
// ...
});
See quirksmode for more properties. If you want to detect other keys, see cletus's answer.
...
How may I sort a list alphabetically using jQuery?
...ng references to the elements are lost. All event listeners bound from JavaScript are lost. It would be better to store the elements instead of innerHTML, use a sort function (vals.sort(function(a, b) {return b.innerHTML < a.innerHTML;})) and appendChild to move elements.
– ...
Set cursor position on contentEditable
...set);
} else {
// Failure here, not handled by the rest of the script.
// Probably IE or some older browser
}
};
// Recalculate selection while typing
editable.onkeyup = captureSelection;
// Recalculate selection after clicking/drag-selecting
editable.onmousedown = function...
++someVariable vs. someVariable++ in JavaScript
...+ evaluates the value, then increments and stores it.
var n = 0, m = 0;
alert(n++); /* Shows 0, then stores n = 1 */
alert(++m); /* Shows 1, then stores m = 1 */
Note that there are slight performance benefits to using ++x where possible, because you read the variable, modify it, then evaluate ...
Form inside a form, is that alright? [duplicate]
... know. I've implemented it in the past with custom data attributes and javascript when I could have just included a html5 shim library.
– Jon Hulka
Mar 22 '17 at 18:10
9
...
What is the preferred syntax for defining enums in JavaScript?
...Script anymore. See my blog post for more details: Enums in JavaScript.
Alerting the name is already possible:
if (currentColor == my.namespace.ColorEnum.RED) {
// alert name of currentColor (RED: 0)
var col = my.namespace.ColorEnum;
for (var name in col) {
if (col[name] == col.RED...
REST authentication and exposing the API key
...then if it's just the sign that's passed...isn't that still exposed in javascript...so if I put a flicker photo on my webpage via their API (called by javascript), and you visit my page, aren't I exposing my API key to anyone who visits my page?
– tjans
Mar 29 ...
JavaScript: clone a function
... {
temp[key] = this[key];
}
}
return temp;
};
alert(x === x.clone());
alert(x() === x.clone()());
alert(t === t.clone());
alert(t(1,1,1) === t.clone()(1,1,1));
alert(t.clone()(1,1,1));
share
...
How to display a Yes/No dialog box on Android?
Yes, I know there's AlertDialog.Builder, but I'm shocked to know how difficult (well, at least not programmer-friendly) to display a dialog in Android.
...