How do I change the CSS property display, in JavaScript, from display:none to display:normal for these divs?  #hide_0 { display:none } #hide_1 { display:none } #hide_2 { display:none } #hide_3 { display:none } #hide_4 { display:none } #hide_5 { displ...
The MDN article on JavaScript blocks gives this example:  var x = 1; {   var x = 2; } alert(x); // outputs 2   As you can see JavaScript doesn't have block scope. So are there any good use cases for standalone blocks in JavaScript?  By "stand...
There is an example of javascript blocking from Steve Souders from his Book 'High Performance Web Sites': http://stevesouders.com/hpws/js-blocking.php  Javascripts don't block Downloads anymore, but still do block rendering.  .. but there...
Right now I'm using this line of code to at least try to block popups by JavaScript in webview:  webview.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);  1) I don't get it why I have to switch this to "true" that it'...
I have been reviewing other people's code and while ES2015 on the whole is taking some getting use to, however, I keep on getting stuck with Destructuring.  Previously, In Javascript, the Curly Brackets {} were either used for blocks or objects....
I am new to javascipt as I have started learning js now, I am pretty confused with var that is said to be function scoped and block scoped;  If so then how do we access them outside of that function!? lets say i want to use it from another class (I d...
I have a page with multiple ajax call to load a part from the response ...Now I have to show a spinner on the part from which I am making an ajax call waiting for the content to get loaded...How can I have a common method which will take a parameter...
How can I programmatically block sites through the Chrome browser?  My idea is to do it through a custom extension, so I think it would be implemented in Javascript.  I think it's as simple as redirecting from the page the user enters to a custom...
I'm learning React JS, and facing a problem with JSX. I have a component :  class Content extends React.Component {   render() {     const array = ["apple", "orange"]     return (       {array[0]}     )   } }   It throws error bab...
Is it possible to install/embed jQuery in the browser? The area, where I live, will block anything related to google. For example?  //ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js   I can visit stackoverflow.com but with a js error if I do...

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