Reverting to previous approach due to 32-bit nature of bitwise operators. In addition, Infinity will not pass as an integer

kukawski · kukawski · commit f3fcb74811a8 · 2011-12-28T21:30:25.000+01:00
diff --git a/functions/var/is_int.js b/functions/var/is_int.js
@@ -16,5 +16,6 @@ function is_int (mixed_var) {
     // *     returns 3: false
     // *     example 4: is_int(true)
     // *     returns 4: false
-    return mixed_var === ~~mixed_var;
+    
+    return mixed_var === +mixed_var && isFinite(mixed_var) && !(mixed_var % 1);
 }

Original file line number	Diff line number	Diff line change
`@@ -16,5 +16,6 @@ function is_int (mixed_var) {`
`16`	`16`	`// * returns 3: false`
`17`	`17`	`// * example 4: is_int(true)`
`18`	`18`	`// * returns 4: false`
`19`		`- return mixed_var === ~~mixed_var;`
	`19`	`+`
	`20`	`+ return mixed_var === +mixed_var && isFinite(mixed_var) && !(mixed_var % 1);`
`20`	`21`	`}`