大约有 40,000 项符合查询结果（耗时：0.0186秒） [XML]
How to play a notification sound on websites?
...answer keeps appending the audio tag to your body tag as the notifications script will most probably be called in intervals
– Muhammad Omer Aslam
Jan 8 at 1:47
...
How to check if an app is installed from a web-page on an iPhone?
...or universal links. So both options are outruled for me. Need a pure javascript solution.
– FranticRock
Jun 26 '19 at 15:02
...
HTML input file selection event not firing upon selecting the same file
... is prefixed with 'C:\fakepath\'. That's a security feature preventing JavaScript from knowing the file's absolute path. The browser still knows it internally.
share
|
improve this answer
|...
iFrame src change event detection?
...in the following example:
<iframe src="http://www.google.com/" onLoad="alert('Test');"></iframe>
The alert will pop-up whenever the location within the iframe changes. It works in all modern browsers, but may not work in some very older browsers like IE5 and early Opera. (Source)
If ...
How do you create a toggle button?
...ve to add extra span, extra div, and, for a really nice look, add some javascript.
So the best solution is to use a small jQuery function and two background images for styling the two different statuses of the button. Example with an up/down effect given by borders:
$(document).ready(function(...
Are Javascript arrays sparse?
...
How exactly JavaScript arrays are implemented differs from browser to browser, but they generally fall back to a sparse implementation - most likely the same one used for property access of regular objects - if using an actual array would be...
How do I get the number of days between two dates in JavaScript?
How do I get the number of days between two dates in JavaScript? For example, given two dates in input boxes:
37 Answers
...
Detect the Enter key in a text input field
... @jQuerybeast It's not needed, and event.keyCode is a Number, so JavaScript will take the same steps with == or ===.
– alex
Aug 15 '11 at 1:47
7
...
Can I escape html special chars in javascript?
I want to display a text to HTML by a javascript function. How can I escape html special chars in JS? Is there an API ?
15 ...
Handling optional parameters in javascript
... = props.id || 1;
props.callback = props.callback || function(){};
alert( props.callback )
};
getData( {
id: 3,
callback: function(){ alert('hi'); }
} );
Benefits:
you don't have to account for argument order
you don't have to do type checking
it's easier to define default valu...