大约有 48,000 项符合查询结果（耗时：0.0262秒） [XML]
download file using an ajax request
...req.open("GET", urlToSend, true);
req.responseType = "blob";
req.onload = function (event) {
var blob = req.response;
var fileName = req.getResponseHeader("fileName") //if you have the fileName header available
var link=document.createElement('a');
link....
Drawing an SVG file on a HTML5 canvas
...ks with some bugs (but nightly has fixed them).
var img = new Image();
img.onload = function() {
ctx.drawImage(img, 0, 0);
}
img.src = "http://upload.wikimedia.org/wikipedia/commons/d/d2/Svg_example_square.svg";
Live example here. You should see a green square in the canvas. The second green sq...
How to show Page Loading div until the page has finished loading?
...
window.onload = function(){ document.getElementById("loading").style.display = "none" }
#loading {width: 100%;height: 100%;top: 0px;left: 0px;position: fixed;display: block; z-index: 99}
#loading-image {position: absolute;top: 4...
How can I change an element's class with JavaScript?
...ction changeClass(){
// Code examples from above
}
window.onload = function(){
document.getElementById("MyElement").addEventListener( 'click', changeClass);
}
</script>
...
<button id="MyElement">My Button</button>
(Note that the window.onload part is...
Force browser to download image files on click
...();
xhr.open("GET", url, true);
xhr.responseType = "blob";
xhr.onload = function(){
var urlCreator = window.URL || window.webkitURL;
var imageUrl = urlCreator.createObjectURL(this.response);
var tag = document.createElement('a');
tag.href = imageUrl;
...
Javascript: Extend a Function
...reToo();
});
But in your specific case, it's easier to extend the global onload function:
extendFunction('onload', function(args) {
doSomethingHereToo();
});
I actually really like your question, it's making me think about different use cases.
For javascript events, you really want to add an...
How should I call 3 functions in order to execute them one after the other?
...
Wayne
55.3k1313 gold badges120120 silver badges118118 bronze badges
answered Mar 3 '11 at 23:40
Peter OlsonPeter Olson
...
How can I mock dependencies for unit testing in RequireJS?
...18n = stubs.i18n;
stubs.i18n = {
load: sinon.spy(function(name, req, onLoad) {
onLoad(i18n);
})
};
_.each(stubs, function(value, key) {
var stubName = 'stub' + key + cnt;
map[key] = stubName;
define(stubName, function() {
return value;
});
});
return...
Warn user before leaving web page with unsaved changes
...se;
var setFormSubmitting = function() { formSubmitting = true; };
window.onload = function() {
window.addEventListener("beforeunload", function (e) {
if (formSubmitting) {
return undefined;
}
var confirmationMessage = 'It looks like you have been editing so...
How to include js file in another js file? [duplicate]
...
In case of your first suggestion one have to use imported.onload to cascade the scripts. But in the case we continue to have the same problems which I described.
– Oleg
Jan 9 '11 at 0:09
...