javascript Programming Glossary: negation
Javascript RegExp + Word boundaries + unicode characters http://stackoverflow.com/questions/10590098/javascript-regexp-word-boundaries-unicode-characters characters where w is equal to a zA Z0 9_ and W is the negation of that class. This makes the RegEx character classes largely..
Javascript regex multiline flag doesn't work http://stackoverflow.com/questions/1068280/javascript-regex-multiline-flag-doesnt-work work around it by using a character class e.g. s and its negation S together like this s S So in your case the regex would become..
What does javascript function return in the absence of a return statement? http://stackoverflow.com/questions/1557754/what-does-javascript-function-return-in-the-absence-of-a-return-statement one will return undefined . And if you use the unary negation operator twice on an undefined value you will get false . You..
How can I modify my Shunting-Yard Algorithm so it accepts unary operators? http://stackoverflow.com/questions/1593080/how-can-i-modify-my-shunting-yard-algorithm-so-it-accepts-unary-operators 8 What would be the best way to implement unary operators negation etc Also does anyone have any suggestions for handling floating..
JSLint “insecure ^” in regular expression http://stackoverflow.com/questions/4109214/jslint-insecure-in-regular-expression gd j5d a# .replace ^ w g '' javascript regex jslint regex negation share improve this question It only will do this if you..
Conflicting boolean values of an empty JavaScript array http://stackoverflow.com/questions/4226101/conflicting-boolean-values-of-an-empty-javascript-array string converted to Number yields zero 0 Now the double negation produces true because all object instances are truthy false.. all object instances are truthy false is truthy true negation The only values that are falsey are null undefined 0 NaN an..
javascript regexp remove all special characters http://stackoverflow.com/questions/4374822/javascript-regexp-remove-all-special-characters aren't in your safelist. The caret ^ character is the negation of the set ... gi say global and case insensitive the latter..
Sorting a set of CSS selectors on the basis of specificity http://stackoverflow.com/questions/5158631/sorting-a-set-of-css-selectors-on-the-basis-of-specificity c ignore the universal selector Selectors inside the negation pseudo class not are counted like any other but the negation.. pseudo class not are counted like any other but the negation itself does not count as a pseudo class. Concatenating the three..
In JavaScript, what is the advantage of !function(){}() over (function () {})()? [duplicate] http://stackoverflow.com/questions/7586870/in-javascript-what-is-the-advantage-of-function-over-function does not return anything a will be undefined . Since the negation of undefined is true b will evaluate to true . This is an advantage..
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