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How to make input type= file Should accept only pdf and xls
... }
var fileReader = new FileReader();
fileReader.onload = function(e) {
var int32View = new Uint8Array(e.target.result);
//verify the magic number
// for JPG is 0xFF 0xD8 0xFF 0xE0 (see https://en.wikipedia.org/wiki/List_of_fi...
How to scroll to top of page with JavaScript/jQuery?
...w, I'm 9 years late to this question. Here you go:
Add this code to your onload.
// This prevents the page from scrolling down to where it was previously.
if ('scrollRestoration' in history) {
history.scrollRestoration = 'manual';
}
// This is needed if the user scrolls down during page load ...
Strip HTML from Text JavaScript
...t work for <img src=http://www.google.com.kh/images/srpr/nav_logo27.png onload="alert(42)" if you're injecting via document.write or concatenating with a string that contains a > before injecting via innerHTML.
– Mike Samuel
Dec 24 '10 at 15:07
...
Full-screen iframe with a height of 100%
...lement.height= the_height;
}
</script>
<iframe src="./page.html" onLoad="calcHeight(this);" frameborder="0" scrolling="no" id="the_iframe" width="100%" ></iframe>
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How do you post to an iframe?
...me="upload_target" src="#" style="width:0;height:0;border:0px solid #fff;" onload="stopUpload()">
</iframe>
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How to impose maxlength on textArea in HTML using JavaScript
...
window.onload = function() {
var txts = document.getElementsByTagName('TEXTAREA');
for(var i = 0, l = txts.length; i < l; i++) {
if(/^[0-9]+$/.test(txts[i].getAttribute("maxlength"))) {
var func = function() {
...
Why do you need to put #!/bin/bash at the beginning of a script file?
...ther you need to add #!/bin/sh to things like .profile and stuff that runs onload
– Kolob Canyon
Oct 18 '16 at 16:51
5
...
Keeping ASP.NET Session Open / Alive
...ontext.Response.Cache.SetNoServerCaching();
}
}
.JS:
window.onload = function () {
setInterval("KeepSessionAlive()", 60000)
}
function KeepSessionAlive() {
url = "/KeepSessionAlive.ashx?";
var xmlHttp = new XMLHttpRequest();
xmlHttp.open("GET", url, true);
...
Change the mouse cursor on mouse over to anchor-like style
... for this, then add the following line to your $(document).ready() or body onload: (replace myClass with whatever class all of your divs share)
$('.myClass').css('cursor', 'pointer');
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How to clear the canvas for redrawing
...rveTransform) {
this.restore();
}
};
Usage:
window.onload = function () {
var canvas = document.getElementById('canvasId');
var context = canvas.getContext('2d');
// do some drawing
context.clear();
// do some more drawing
context.setTransform(-1, 0, 0, 1, 200, ...