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How to get the focused element with jQuery?
...
Try this:
$(":focus").each(function() {
alert("Focused Elem_id = "+ this.id );
});
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html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to
...totype.setItem;
Storage.prototype.setItem = function() {};
alert('Your web browser does not support storing settings locally. In Safari, the most common cause of this is using "Private Browsing Mode". Some settings may not save or some features may not work properly for you.');
}...
Bypass popup blocker on window.open when JQuery event.preventDefault() is set
... success: function(status) {
if (status == null) {
alert("Error in verifying the status.");
} else if(!status) {
$("#agreement").dialog("open");
} else {
window.open(redirectionURL);
}
}
});
Again, I don't advocate synchro...
ATL COM开发入门（一）（JS调用ActiveX/COM组件） - C/C++ - 清泛网 - 专注C/C++及内核技术
... AtlDemoObj.ConcatStr(document.all.ipt1.value, document.all.ipt2.value);
alert(retStr);
}
</script>
</HEAD>
<BODY>
<object id="AtlDemoObj" classid="clsid:B0DA2962-C4C3-48CD-BFBC-4F43F9D03C56" width=0 height=0></object>
<input name=ipt1 size=8/> <input name=ipt2 size=8/> <input type="button...
What does `void 0` mean? [duplicate]
...variable name, so you could assign a new value to it at your own caprice.
alert(undefined); //alerts "undefined"
var undefined = "new value";
alert(undefined) // alerts "new value"
Note: This is no longer a problem in any environment that supports ECMAScript 5 or newer (i.e. in practice everywher...
How can I determine the current line number in JavaScript?
... quick example (yes, it's messed a little).
function foo()
{
alert(line(1));
var a;
var b;
alert(line(2));
}
foo();
function line(mark)
{
var token = 'line\\(' + mark + '\\)';
var m = line.caller.toString().match(
new RegExp('(^(?!.*' + toke...
How to prevent form from being submitted?
...
You can use inline event onsubmit like this
<form onsubmit="alert('stop submit'); return false;" >
Or
<script>
function toSubmit(){
alert('I will not submit');
return false;
}
</script>
<form onsubmit="return toSubmit();" >
Demo
Now, this ...
jQuery and AJAX response header
... it in an iframe, but when I try to view the header info with a javascript alert, it comes up null, even though firebug sees it correctly.
...
How to append something to an array?
...ar ar1 = [1, 2, 3];
var ar2 = [4, 5, 6];
var ar3 = ar1.concat(ar2);
alert(ar1);
alert(ar2);
alert(ar3);
The concat does not affect ar1 and ar2 unless reassigned, for example:
var ar1 = [1, 2, 3];
var ar2 = [4, 5, 6];
ar1 = ar1.concat(ar2);
alert(ar1);
Lots of great i...
clear javascript console in Google Chrome
...his is what I came up with, just in case I won't remember to assign window.alert: var hasClear = (typeof clear == 'function'); if(hasClear) clear(); console.info('bla'); if(!hasClear) console.log(Array(18).join('\n'));
– Ronny
Sep 6 '12 at 14:15
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