DevelopersDiscussion.com

To a single element: var el = document.getElementById('#foo'); el[i].className = 'my-dynamic-class'; But that’ll override the existing class, the following appends it to the old classes: var el = document.getElementById('#foo'); el[i].className += ' my-dynamic-class'; Or: el.className = d.className ...

var el = document.getElementById("div1"); // Single class el.classList.add("my-class"); // Multiple classes el.classList.add("my-class", "another-class"); It has other methods also: add – Adds a class to an element’s list of classes. If class already exists in the element’s list of classes, it will...

Post data to an Iframe Doesn't take any JavaScript or anything. You just have the form's target attribute match the iframe's name attribute. <form action="iframe.php" target="my-iframe" method="post"> <label for="text">Some text:</label> <input type="text" name="text" id="text"> <input type="submit"...

I tend to use this: <meta name="viewport" content="width=device-width"> Although I see this is recommended a lot: <meta name="viewport" content="width=device-width, initial-scale=1"> This means that the browser will (probably) render the width of the page at the width of its own screen. So if that s...

HTML attribute (valid in HTML5 now): <a href="http://chriscoyier.net" target="_blank">This link will open in new window/tab</a> #Inline JavaScript way: <a href="http://chriscoyier.net" onclick="window.open(this.href); return false;" onkeypress="window.open(this.href); return false;">This link will o...

<body>  Now you can write IE specific styles in a regular stylesheet, by prefacing the CSS selectors with .ie Or more robust version putting class on HTML element: <!DOCTYPE html> <!--[if IEMobile 7 ]> <html dir="ltr" lan...

To prevent all search bots from indexing a page: <meta name="robots" content="noindex"> To prevent just Google: <meta name="googlebot" content="noindex"> If you have control over it, you probably want to add nofollow to links that point to that page as well: <a href="privatepage.html" rel="nofollow"...

Search found 117 matches

How to add/remove class names from elements in javascript or es6 using className?

How to add/remove class names from elements in javascript or es6 using classList?

How to post data to an Iframe?

What is Responsive Meta Tag and how to use it?

How to Open Link in a New Window?

How to add html class for just only internet explorer?

How to Prevent Search Engine Bots to Index Any Page Using Meta Tag in HTML?

Notice