4 Quick Answers
4.2 How can I disable the back button in a web browser?
4.3 How can I access the client-side filesystem?
4.6 How do I convert a Number into a String with exactly 2 decimal places?
4.7 Why does 5 * 1.015 != 5.075 or 0.05+0.01 != 0.06?
4.8 How do I communicate between frames in a web browser?
4.9 How do I find the size of a browser window?
4.10 How do I check to see if a childwindow is open, before opening another?
4.11 Why does framename.print() not print the correct frame in IE?
4.12 Why does parseInt(ཅ') give an error?
4.13 How do I get the value of a form control?
4.14 How do I close a window and why does it not work on the first one?
4.15 How do I modify the current page in a browser?
4.16 How do I trim whitespace - LTRIM/RTRIM/TRIM?
4.17 How do I force a reload from the server/prevent caching?
4.18 How do I get a perl/asp/php variable into client-side js?
4.19 Why do I get permission denied when accessing a frame/window?
4.20 How do I make a 10 second delay?
4.21 Why does 1+1 equal 11? or How do I convert a string to a number?
4.22 How do I generate a random integer in [1..N]?
4.23 How do I change print settings with window.print()?
4.25 My element is named myselect , how do I access it?
4.26 How do I detect Opera/Netscape/IE?
4.27 How do I disable the right mouse button?
4.28 How do I change the confirm box to say yes/no or default to cancel?
4.29 How do I log-out a user when they leave my site?
4.31 Why are my Rollovers so slow?
4.32 How do I change the text in the url/location bar?
4.33 How do I prompt a "Save As" dialog for an accepted mime type?
4.34 How do I run a server side script?
4.35 I have window.status="Moomin"; why doesn't the statusbar change?
4.36 How do I modify the current browser window?
4.37 How do I POST a form to a new window?
4.38 How do I download a page to a variable?
4.39 How do I access a property of an object using a string?
4.40 When should I use eval?
4.41 Why doesn't the global variable "divId" always refer to the element with id="divId"?
4.24 I have what ... ?