I need javascript to add 5 to an integer variable, but instead it treats the variable as a string, so it write out the variable, then add 5 onto the end of the "string". How can I force it to do math instead?  var dots = document.getElement...
How do I parse and evaluate a mathematical expression in a string (e.g. '1+1') without invoking eval(string) to yield its numerical value?  With that example, I want the function to accept '1+1' and return 2....
According to Google Calculator (-13) % 64 is 51.  According to Javascript (see this JSBin) it is -13.  How do I fix this?...
Why when I use this: (assuming i = 1)  divID = "question-" + i+1;   I get question-11 and not question-2?...
How i can calculate the date in javascript knowing weeknumber and the year? For week number 20 and year 2013 to obtain 5/16/2013 I am trying so:  Date.prototype.dayofYear = function() {             var d = new Date(this.getFullYear(), 0, 0);...
I need a log function for JavaScript, but it needs to be base 10. I can't see any listing for this, so I'm assuming it's not possible. Are there any math wizards out there who know a solution for this?...
I just read on MDN that one of the quirks of JS's handling of numbers due to everything being "double-precision 64-bit format IEEE 754 values" is that when you do something like .2 + .1 you get 0.30000000000000004 (that's what the a...
It is sad to see that science and math is never given enough attention in Android platform. Maybe this is an easy problem, but I'm a total dude in javascript so I'm struggling to understand how to solve this problem.  What I want to do is sim...

Tags

Recent Questions

Top Questions

Home Tags Terms of Service Privacy Policy DMCA Contact Us

©2020 All rights reserved.