I'm writing some JavaScript code to parse user-entered functions (for spreadsheet-like functionality). Having parsed the formula I could convert it into JavaScript and run eval() on it to yield the result.  However, I've always shied away f...
I've recently read the Yahoo manifesto Best Practices for Speeding Up Your Web Site. They recommend to put the JavaScript inclusion at the bottom of the HTML code when we can.  But where exactly and when?  Should we put it before closing </h...
At work, we place braces on the next line, but at home, I do the opposite. Which one do you prefer? (K&R vs OTBS)  function something() {     // ... }  function something() {     // ... }   A lot of JavaScript libraries seem to use the OTBS (one...
Which one of these two ways is faster and why?  window.setTimeout("func()", 100);   Or  window.setTimeout(function(){func();}, 100);   I'm guessing the second way is faster if for no other reason other than John Resig and all the ninjas u...
Can any body throw me some arguments for using inline functions against passing predefined function name to some handler.   I.e. which is better:  (function() {   setTimeout(function() { /*some code here*/ }, 5); })();   versus  (function() {   funct...
There are known Style Attribute XSS attacks like:  <DIV STYLE="width: expression(alert('XSS'));">   Or  <DIV STYLE="background-image: url(javascript:alert('XSS'))">   All the examples I've seen use eith...
I need to automatically check the style of javascript sources written by different people. Do you know of a good tool to do it? Integration with emacs would be a plus. Thank you in advance....
in react is it good to import external java script,jQuery ,css to index.htmal file in public folder. and if there is any impact to application performance.  and i used some j Query functions inside of react application.     example : datepicker...
Hey, I'd like to change the font color or the responseText based on the result.  For example, if the responseText is NOT FOUND, I'd like to font color to be red.  Otherwise, it will be black.  It's currently displaying the correct respons...
If I have two separate scripts in an HTML page with JavaScript are the variables shared between the entire page? Or only within their own declarations?  Example:  <script> var title = "Hello World!"; </script> // random HTML/PHP &...

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