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Is there any way to call a function periodically in JavaScript?
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You want setInterval():
var intervalID = setInterval(function(){alert("Interval reached");}, 5000);
The first parameter to setInterval() can also be a string of code to be evaluated.
You can clear a periodic function with:
clearInterval(intervalID);
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How can I convert an image into Base64 string using JavaScript?
..."encodeImageFileAsURL();" />
<div id="imgTest"></div>
<script type='text/javascript'>
function encodeImageFileAsURL() {
var filesSelected = document.getElementById("inputFileToLoad").files;
if (filesSelected.length > 0) {
var fileToLoad = filesSelected...
How can I create a simple message box in Python?
I'm looking for the same effect as alert() in JavaScript.
17 Answers
17
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HTML/Javascript change div content
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Warning! the usage of innerHTML can easily lead to XSS vulnerabilities when the value comes from an untrusted input. The use of innerText is always recommended for security reasons and currently it is supported by all browsers (caniuse.com/#feat=innertext)
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How to suppress Update Links warning?
I'm trying to write a script that opens many Excel files. I keep getting the prompt:
7 Answers
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I need to get all the cookies from the browser
I need to get all the cookies stored in my browser using JavaScript. How can it be done?
9 Answers
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jQuery and AJAX response header
... it in an iframe, but when I try to view the header info with a javascript alert, it comes up null, even though firebug sees it correctly.
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Try-finally block prevents StackOverflowError
... Nice, even if I try to make the stack as small as possible via -Xss, I get a depth of [150 - 210], so 2^n ends up being a [47 - 65] digits number. Not going to wait that long, that is near enough to infinity for me.
– ninjalj
Sep 15 '12 at 17:05
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Is using 'var' to declare variables optional? [duplicate]
...he differences:
external = 5;
function firsttry() {
var external = 6;
alert("first Try: " + external);
}
function secondtry() {
external = 7;
alert("second Try: " + external);
}
alert(external); // Prints 5
firsttry(); // Prints 6
alert(external); // Prints 5
secondtry(); // Prints 7
aler...
Detecting a mobile browser
... <= 600 ) );
}
Reference:
Detecting Browser and Devices with javascript
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