大约有 30,000 项符合查询结果（耗时：0.0180秒） [XML]
Why is this jQuery click function not working?
...e.
$(document).ready(function() {
$("#clicker").click(function () {
alert("Hello!");
$(".hide_div").hide();
});
});
As jQuery documentation states: "A page can't be manipulated safely until the document is "ready." jQuery detects this state of readiness for you. Code included inside $...
How can I capture the right-click event in JavaScript? [duplicate]
... oncontextmenu event.
Here's an example:
<div oncontextmenu="javascript:alert('success!');return false;">
Lorem Ipsum
</div>
And using event listeners (credit to rampion from a comment in 2011):
el.addEventListener('contextmenu', function(ev) {
ev.preventDefault();
alert('su...
Pass request headers in a jQuery AJAX GET call
...estHeader('X-Test-Header', 'test-value');},
success: function() { alert('Success!' + authHeader); }
});
http://api.jquery.com/jQuery.ajax/
http://www.w3.org/TR/XMLHttpRequest/#the-setrequestheader-method
sh...
Get selected text from a drop-down list (select box) using jQuery
...
This works for me
$("#dropdownid").change(function() {
alert($(this).find("option:selected").text());
});
If the element created dynamically
$(document).on("change", "#dropdownid", function() {
alert($(this).find("option:selected").text());
});
...
How can I pass a parameter to a setTimeout() callback?
...he end of the timer.
Example:
var hello = "Hello World";
setTimeout(alert, 1000, hello);
More details:
https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers.setTimeout
http://arguments.callee.info/2008/11/10/passing-arguments-to-settimeout-and-setinterval/
...
Why was the arguments.callee.caller property deprecated in JavaScript?
...d)
return arguments.callee(true);
if (this !== global)
alert("This is: " + this);
else
alert("This is the global");
}
sillyFunction();
Anyhow, EcmaScript 3 resolved these issues by allowing named function expressions, e.g.:
[1,2,3,4,5].map(function factorial(n) {
...
Amazon S3 direct file upload from client browser - private key disclosure
... });
AWS.config.credentials.get(function(err) {
if (err) alert(err);
console.log(AWS.config.credentials);
});
var bucketName = 'your-bucket'; // Enter your bucket name
var bucket = new AWS.S3({
params: {
Bucket: bucketName
}
...
Detect the Enter key in a text input field
...n (e) {
if ($(".input1:focus") && (e.keyCode === 13)) {
alert('ya!')
}
});
Or just bind to the input itself
$('.input1').keyup(function (e) {
if (e.keyCode === 13) {
alert('ya!')
}
});
To figure out which keyCode you need, use the website http://keycode....
How to check if anonymous object has a method?
...w if the function is defined.
if(typeof myObj.prop2 === 'function') {
alert("It's a function");
} else if (typeof myObj.prop2 === 'undefined') {
alert("It's undefined");
} else {
alert("It's neither undefined nor a function. It's a " + typeof myObj.prop2);
}
...
How do I make class methods / properties in Swift?
... { // computed type property
return 42
}
class func alert() { // type method
print("There are \(all.count) foos")
}
}
Foo.alert() // There are 0 foos
let f = Foo()
Foo.all.append(f)
Foo.alert() // There are 1 foos
...