Onkeypress, javascript is not validating special character -

-

javascript function avoid special characters. working expected alpha & numbers.only problem is, when need include -,. (k >= 188 && k <= 190) - not working. doing wrong?

    var k;     document.all ? k = e.keycode : k = e.which;     return ((k > 64 && k < 91) || (k > 96 && k < 123) || (k >= 188 && k <= 190)|| k == 8 || k == 32 || (k >= 48 && k <= 57));

this latest code,it support browser. function isalphanumeric(evtget) {

    var browser = navigator.appname;     if (browser == "microsoft internet explorer" || browser == "mozilla firefox") {         var keyget = evtget.keycode;     } else {         var keyget = evtget.which; //(window.event) ? evtget.which : evtget.keycode;     }     alert(keyget);         if ((keyget > 47 && keyget < 58) || (keyget > 64 && keyget < 91) || (keyget > 96 && keyget < 123) || (keyget == 9) || (keyget == 32) || (keyget == 8) || (keyget == 0) || (keyget == 13)||(keyget==110))             return;         else             if (browser == "microsoft internet explorer" || browser == "mozilla firefox")             window.event.returnvalue = null;         else             evtget.preventdefault(); }

put above code in header of jsp

and call input field onkeypress="return isalphanumeric(event,this.value);">

suppose want change in code per requirement,there alert box please run code 1st click on key board show keycode per requirement

example-you want enter (.)in field show keycode dot id 47 , can write (keyget==47)


Comments

Post a Comment

Popular posts from this blog

java - Jmockit String final length method mocking Issue -

-
using jmockit 1.2 jar, trying mock string's length method getting unexpected invocation exception: failed: test java.lang.illegalstateexception: missing invocation mocked type @ point; please make sure such invocations appear after declaration of suitable mock field or parameter @ stringdemo.testa$1.<init>(testa.java:17) @ stringdemo.testa.test(testa.java:13) i using testng: @test public void test() throws exception { new expectations() { @mocked("length") string astring; { astring.length(); result = 2; } }; system.out.println(a.showa("test")); } } actual class a: public class { public static int showa(string str){ int a= str.length(); return a; } } this wrong way of recording expected results. shouldn't mock , record string's length() method, record showa() instead. here solution @suppresswarnings("unused...
Read more

What is the difference between data design and data model(ERD) -

-
i have google question , find answer in day. know, data design many many table have list column,and mark pk , fk. why er-diagram have find this? data design process of designing database. main output of data design detailed logical data model of database. some people data design includes of needed logical , physical design choices , physical storage parameters needed generate design in data definition language. technically, database analysis, database analysts (dbas) trained do. while person can both data design , database analysis, these 2 different tasks. data design models data. database analysis takes model , applies 1 or more database engines (relational, hierarchical, nosql). a logical data model 1 of main outputs of data design. data model represented entity relationship diagram, or er diagram.
Read more

ios - Can NSManagedObject conform to NSCoding -

-
i need transfer single object across device. right converting nsmanagedobject dictionary , archiving , sending nsdata. upon receiving unarchiving it. transfer nsmanagedobject archiving , unarchiving instead of creating intermediate data object. @interface test : nsmanagedobject<nscoding> @property (nonatomic, retain) nsstring * title; @end @implementation test @dynamic title; - (id)initwithcoder:(nscoder *)coder { self = [super init]; if (self) { self.title = [coder decodeobjectforkey:@"title"]; //<crash } return self; } - (void)encodewithcoder:(nscoder *)coder { [coder encodeobject:self.title forkey:@"title"]; } @end nsdata *archivedobjects = [nskeyedarchiver archiveddatawithrootobject:testobj]; nsdata *objectsdata = archivedobjects; if ([objectsdata length] > 0) { nsarray *objects = [nskeyedunarchiver unarchiveobjectwithdata:objectsdata]; } the problem above code is. crashes @ self.title in initwithcoder sa...
Read more