Home Java Javascript-array JavaScript array unique

JavaScript array unique
Posted on: November 13, 2008 at 12:00 AM

In this Tutorial we want to describe a code that help you in understanding array unique.

JavaScript array unique

In this Tutorial we want to describe a code that help you in understanding array unique. The program uses JavaScript as scripting language. The code try to explain you a HTML Page that include a script, inside the script the variable arr instantiate an array object. This variable is initialized with the array object element. The document. write print the Array before removing duplicate element.

Array.Array.Unique - This function return you the unique element with no duplicate element.

Finally the document. write print the array after removing duplicate element.

Javascript_array_unique.html

<html>

  <head>

  <title>JavaScript Array unique</title>

  <h1>JavaScript Array unique</h1>

  <hr></hr>

  <script  type="text/javascript">

  function unique(arrayName)

  {

  var newArray=new Array();

  label:for(var i=0; i<arrayName.length;i++ )

  {  

  for(var j=0; j<newArray.length;j++ )

  {

  if(newArray[j]==arrayName[i]) 

  continue label;

  }

  newArray[newArray.length] = arrayName[i];

  }

  return newArray;

  }

  </script>

  <script>

  var arr = new Array(0,2,4,2,6,4,8,6,10);

  document.write("Array before removing 

        duplicate element: "+arr+"<br>");

  document.write("Array after removing 

        duplicate element: "+unique(arr));

  </script>

  </head>

  <body>

  </body>

</html>

Output of the program

Download Source code

Related Tags for JavaScript array unique:
java, javascript, html, c, ide, array, scripting, ant, script, object, language, include, help, variable, print, ip, page, vi, unique, tutorial, int, ria, this, id, ai, write, element, for, with, program, to, ini, ram, lan, e, it, doc, des, li, init, var, use, initialize, in, ml, as, sta, m, nt, tr, sid, side, wan, ca, j, cl, es, em, age, me, obj, pro, cat, explain, do, describe, tor, uniq, try, s, before, at, moving, inc, htm, is, instant, instantiate, ha, ray, du, and, ar, cod, code, removing, xp, understanding, vin, want, va, uses, tutor, z, scr, s, s, ri, rip, th, av, st, ab, abl, anti, hat, initial, je, ica, ica, pl, plai, pr, mov, nd, ode, ogr, o

«Previous Index Next»