Your Ad Here

advanced code snippet search

Posted By

szsk on 08/02/06


Tagged

javascript String layout


Versions (?)

Who likes this?

1 person have marked this snippet as a favorite

jmonteiro


string_center, rjust, ljust

 / Published in: JavaScript
 

URL: http://snipplr.com/users/szsk/

ruby's String#center, String#rjust, String#ljust on javascript

this code need String.repeat http://snipplr.com/view/699/stringrepeat/

Expand | Embed | Plain Text 
  1. String.prototype.ljust = function( width, padding ) {
  2. 	padding = padding || " ";
  3. 	padding = padding.substr( 0, 1 );
  4. 	if( this.length < width )
  5. 		return this + padding.repeat( width - this.length );
  6. 	else
  7. 		return this;
  8. }
  9. String.prototype.rjust = function( width, padding ) {
  10. 	padding = padding || " ";
  11. 	padding = padding.substr( 0, 1 );
  12. 	if( this.length < width )
  13. 		return padding.repeat( width - this.length ) + this;
  14. 	else
  15. 		return this;
  16. }
  17. String.prototype.center = function( width, padding ) {
  18. 	padding = padding || " ";
  19. 	padding = padding.substr( 0, 1 );
  20. 	if( this.length < width ) {
  21. 		var len		= width - this.length;
  22. 		var remain	= ( len % 2 == 0 ) ? "" : padding;
  23. 		var pads	= padding.repeat( parseInt( len / 2 ) );
  24. 		return pads + this + pads + remain;
  25. 	}
  26. 	else
  27. 		return this;
  28. }
  29.  
  30. alert( "Ruby".center( 10 ) );      // "   Ruby   "
  31. alert( "Ruby".rjust( 10 ) );       // "      Ruby"
  32. alert( "Ruby".ljust( 10 ) );       // "Ruby      "
  33. alert( "Ruby".center( 10, "+" ) ); // "+++Ruby+++"

Report this snippet  

You need to login to post a comment.