大约有 40,000 项符合查询结果（耗时：0.0132秒） [XML]
Convert SVG image to PNG with PHP
...ap.svg');?>
</div>
then changing the colors is as easy as:
<script type="text/javascript" src="/path/to/jquery.js"></script>
<script type="text/javascript">
$('#CA').css('fill', 'blue');
$('#NY').css('fill', '#ff0000');
</script>
...
How to create local notifications?
...l notifications so that at the time I set, my app generates a notification/alert with a customized message?
8 Answers
...
Getting a better understanding of callback functions in JavaScript
...) {
// "this" may be different depending how you call the function
alert(this);
};
callback(argument_1, argument_2);
callback.call(some_object, argument_1, argument_2);
callback.apply(some_object, [argument_1, argument_2]);
The method you choose depends whether:
You have the arguments...
Check image width and height before upload with Javascript
..._URL.createObjectURL(file);
img.onload = function () {
alert(this.width + " " + this.height);
_URL.revokeObjectURL(objectUrl);
};
img.src = objectUrl;
}
});
Demo: http://jsfiddle.net/4N6D9/1/
I take it you realize this is only supported in a few...
Detecting Unsaved Changes
...
This script is awesome, but for me it also displayed the warning message upon submitting my form. I fixed this by unbinding the event in an onClick (onclick="window.onbeforeunload=null")
– Joost
...
How to make an AJAX call without jQuery?
How to make an AJAX call using JavaScript, without using jQuery?
23 Answers
23
...
Parse JSON String into a Particular Object Prototype in JavaScript
... for (var prop in obj) this[prop] = obj[prop];
}
var fooObj = new Foo();
alert(fooObj.test() ); //Prints 6
// INITIALISE A NEW FOO AND PASS THE PARSED JSON OBJECT TO IT
var fooJSON = new Foo(JSON.parse('{"a":4,"b":3}'));
alert(fooJSON.test() ); //Prints 12
...
Using curl POST with variables defined in bash script functions
...d be quoted.
First, write a function that generates the post data of your script. This saves you from all sort of headaches concerning shell quoting and makes it easier to read an maintain the script than feeding the post data on curl's invocation line as in your attempt:
generate_post_data()
{
...
Using jQuery To Get Size of Viewport
...
1. Response to the main question
The script $(window).height() does work well (showing the viewport's height and not the document with scrolling height), BUT it needs that you put correctly the doctype tag in your document, for example these doctypes:
For HTML ...
Avoid browser popup blockers
I'm developing an OAuth authentication flow purely in JavaScript and I want to show the user the "grant access" window in a popup, but it gets blocked.
...