大约有 16,000 项符合查询结果（耗时：0.0247秒） [XML]
How can I convert an image into Base64 string using JavaScript?
...ction toDataURL(url, callback) {
var xhr = new XMLHttpRequest();
xhr.onload = function() {
var reader = new FileReader();
reader.onloadend = function() {
callback(reader.result);
}
reader.readAsDataURL(xhr.response);
};
xhr.open('GET', url);
xhr.responseType...
How to style SVG with external CSS?
...ar svgHolder = document.querySelector('object#dynamic-svg');
svgHolder.onload = function () {
var svgDocument = svgHolder.contentDocument;
var style = svgDocument.createElementNS("http://www.w3.org/2000/svg", "style");
// Now (ab)use the @import directive to load make th...
Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La
... headache.
js-base64
https://github.com/dankogai/js-base64 is good and I confirm it supports unicode very well.
Base64.encode('dankogai'); // ZGFua29nYWk=
Base64.encode('小飼弾'); // 5bCP6aO85by+
Base64.encodeURI('小飼弾'); // 5bCP6aO85by-
Base64.decode('ZGFua29nYWk='); // dankogai
Ba...
How to create a JavaScript callback for knowing when an image is loaded?
...
Image.onload() will often work.
To use it, you'll need to be sure to bind the event handler before you set the src attribute.
Related Links:
Mozilla on Image.onload()
Example Usage:
window.onload = function () {
...
How to execute a function when page has fully loaded?
... so, just to clarify (if I may), comparing to DOM ready, window.onload is called when every page component/resourse (i.e. *including *images). Am I right?
– BreakPhreak
Jun 22 '11 at 9:21
...
Can you autoplay HTML5 videos on the iPad?
...xtract in the Apple documentation in regard to auto-play on iOS devices to confirm my assumption:
"Apple has made the decision to disable the automatic playing of video
on iOS devices, through both script and attribute implementations.
In Safari, on iOS (for all devices, including iPad), ...
Focus Input Box On Load
... might not be supported in all browsers, so we can use javascript.
window.onload = function() {
var input = document.getElementById("myinputbox").focus();
}
2) How to place cursor at the end of the input text?
Here's a non-jQuery solution with some borrowed code from another SO answer.
fun...
How do you automatically set the focus to a textbox when a web page loads?
...oad', function() {
$("Box1").focus();
});
or plain javascript:
window.onload = function() {
document.getElementById("Box1").focus();
};
though keep in mind that this will replace other on load handlers, so look up addLoadEvent() in google for a safe way to append onload handlers rather than...
Resize HTML5 canvas to fit window
...or me the best. Since I'm relatively new to coding, I like to have visual confirmation that something is working the way I expect it to. I found it at the following site:
http://htmlcheats.com/html/resize-the-html5-canvas-dyamically/
Here's the code:
<!DOCTYPE html>
<head>
<m...
Cannot set property 'innerHTML' of null
...
If you use window.onload = function name(){} it doesn't matter if the div is before or after.
– Colyn1337
Aug 15 '13 at 14:05
...