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nodeValue vs innerHTML and textContent. How to choose?
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"Using textContent can prevent XSS attacks" developer.mozilla.org/en-US/docs/Web/API/Node/textContent
– DRP
Feb 17 '18 at 17:16
add...
How do you create a toggle button?
...ve to add extra span, extra div, and, for a really nice look, add some javascript.
So the best solution is to use a small jQuery function and two background images for styling the two different statuses of the button. Example with an up/down effect given by borders:
$(document).ready(function(...
How can you check for a #hash in a URL using JavaScript?
I have some jQuery/JavaScript code that I want to run only when there is a hash ( # ) anchor link in a URL. How can you check for this character using JavaScript? I need a simple catch-all test that would detect URLs like these:
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How can I detect whether an iframe is loaded?
...#MainPopupIframe').attr('src', 'https://heera.it');
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<button id='click'>click me</button>
<iframe style="display:none" id='MainPopupIframe' src='' /></ifram...
“Origin null is not allowed by Access-Control-Allow-Origin” error for request made by application ru
...-domain XMLHttpRequest via CORS...
Make sure you're testing via http://. Scripts running via file:// have limited support for CORS.
Make sure the browser actually supports CORS. (Opera and Internet Explorer are late to the party)
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How to allow to accept only image files?
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Steps:
1. Add accept attribute to input tag
2. Validate with javascript
3. Add server side validation to verify if the content is really an expected file type
For HTML and javascript:
<html>
<body>
<input name="image" type="file" id="fileName" accept=".jpg,.jpeg,.png" onc...
AngularJS: Service vs provider vs factory
...romFactory.sayHello(),
helloWorldFromService.sayHello()];
}
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<body ng-app="myApp">
<div ng-controller="MyCtrl">
{{hellos}}
</div>
</body>
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How to use Checkbox inside Select Option
... element but you can get the same functionality by using HTML, CSS and JavaScript. Here is a possible working solution. The explanation follows.
Code:
var expanded = false;
function showCheckboxes() {
var checkboxes = document.getElementById("checkboxes");
if (!expanded) {
ch...
How can I convince IE to simply display application/json rather than offer to download it?
...lace. This won't affect any application/json documents downloaded via <script> tags, or via XHR, and so on.
The CLSID and Encoding keys get the same values used for image/gif, image/jpeg, and text/html.
This hint came from this site, and from Microsoft's article Handling MIME Types in In...
Accessing JPEG EXIF rotation data in JavaScript on the client side
...e data. The trick is that all this should happen in the browser, using JavaScript and <canvas> .
8 Answers
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