大约有 30,000 项符合查询结果（耗时：0.0195秒） [XML]
Detecting touch screen devices with Javascript
...
I use:
if(jQuery.support.touch){
alert('Touch enabled');
}
in jQuery mobile 1.0.1
share
|
improve this answer
|
follow
...
(Deep) copying an array using jQuery [duplicate]
...r is a copy, not a reference... so if you did this next...
bar.push('f');
alert('foo:' + foo.join(', '));
alert('bar:' + bar.join(', '));
you would now get:
foo:a, b, c, d, e
bar:a, b, c, d, e, f
share
|
...
Use dynamic (variable) string as regex pattern in JavaScript
...this is #abc# some #abc# stuff.";
var output = input.replace(regex, "!!");
alert(output); // Hello this is !! some !! stuff.
JSFiddle demo here.
In the general case, escape the string before using as regex:
Not every string is a valid regex, though: there are some speciall characters, like ( or [....
Using JQuery - preventing form from submitting
... //option A
$("form").submit(function(e){
alert('submit intercepted');
e.preventDefault(e);
});
});
</script>
</head>
<body>
<form action="http://google.com" method="GET">
...
How do I convert an integer to binary in JavaScript?
...script but trying it here w3schools.com/js/tryit.asp?filename=tryjs_output_alert with this <script> window.alert((-3 >>> 0).toString(2)); </script> yeah it worked
– barlop
Apr 10 '15 at 10:35
...
What is the difference between jQuery: text() and html() ?
...t(); for (var i=1; i<3000; i++)
$("#work").text('BENCHMARK WORK');
alert("JQuery (3000x): \nhtml="+ht+"\ntext="+simplecron.duration());
// Using pure JavaScript only:
simplecron.restart(); for (var i=1; i<3000; i++)
document.getElementById('work').innerHTML = 'BENCHMARK WORK';
ht = s...
Javascript swap array elements
...= [1, 2, 3, 4, 5, 6, 7, 8, 9], x= 0, y= 1;
A[x] = A.splice(y, 1, A[x])[0];
alert(A); // alerts "2,1,3,4,5,6,7,8,9"
Edit:
The [0] is necessary at the end of the expression as Array.splice() returns an array, and in this situation we require the single element in the returned array.
...
How to debug Apache mod_rewrite
...completely replaced by the new per-module logging configuration.
LogLevel alert rewrite:trace6
share
|
improve this answer
|
follow
|
...
Is it possible to append to innerHTML without destroying descendants' event listeners?
...ning the text "foo". The handler is an anonymous function that pops up an alert() .
13 Answers
...
Is it possible to send a variable number of arguments to a JavaScript function?
...ly, like so (c.f. Functional Javascript):
var otherFunc = function() {
alert(arguments.length); // Outputs: 10
}
var myFunc = function() {
alert(arguments.length); // Outputs: 10
otherFunc.apply(this, arguments);
}
myFunc(1,2,3,4,5,6,7,8,9,10);
...