MemoSoup » JavaScript http://www.memosoup.com Mix of the things I always forget Tue, 07 Feb 2012 00:03:54 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 JavaScript: edit web page in browser http://www.memosoup.com/20100112/javascript-edit-web-page-in-browser.html http://www.memosoup.com/20100112/javascript-edit-web-page-in-browser.html#comments Mon, 11 Jan 2010 23:15:17 +0000 admin http://www.memosoup.com/20100112/javascript-edit-web-page-in-browser.html Here is small bookmarklet, which allows to edit the web page for any site (ok, You could save the results on Your local machine only).

javascript:document.body.contentEditable='true'; document.designMode='on'; void 0 Tweet news and informations automotive,business,crime,health,life,politics,science,technology,travelautomotive,business,crime,health,life,politics,science,technology,travel]]> Here is small bookmarklet, which allows to edit the web page for any site (ok, You could save the results on Your local machine only).

javascript:document.body.contentEditable='true'; document.designMode='on'; void 0
]]> http://www.memosoup.com/20100112/javascript-edit-web-page-in-browser.html/feed 0 JavaScript: Soundex implementation http://www.memosoup.com/20100107/javascript-soundex-implementation.html http://www.memosoup.com/20100107/javascript-soundex-implementation.html#comments Thu, 07 Jan 2010 10:28:06 +0000 admin http://www.memosoup.com/?p=242 There is a special algorithm for comparision strings, which sound similar (Soundex).

Here is JavaScript Soundex implementation:

function soundex ( s_src ) {      var s_rez = "0000" ;  var new_code, prev, idx    a_codes = { "bfpv": 1, "cgjkqsxz":2, "dt": 3, "l": 4, "mn": 5, "r": 6 };    s_src = s_src.toLowerCase().replace(/ /g,"") [...]]]> There is a special algorithm for comparision strings, which sound similar (Soundex).

Here is JavaScript Soundex implementation:

function soundex ( s_src )
{    
 var s_rez = "0000" ;
 var new_code, prev, idx
 
 a_codes = { "bfpv": 1, "cgjkqsxz":2, "dt": 3, "l": 4, "mn": 5, "r": 6 };
 
 s_src = s_src.toLowerCase().replace(/ /g,"")
 
 if ( s_src.length < 1) {
   return(s_rez);
 }
 
 s_rez = s_src.substr(0,1);
 prev = "0";
 
 for ( idx = 1 ; idx < s_src.length ; idx++) {
   new_code = "0";
   cur_char = s_src.substr(idx,1)
   
   for (s_code in a_codes)
      if (s_code.indexOf(cur_char) >= 0)
        { new_code = a_codes[ s_code ] ; break ; }

   if (new_code != prev && new_code != "0" )  {  
     s_rez += new_code;
   }
   
   prev = new_code;
  }
 
 s_rez = s_rez + "0000"
 
 return s_rez.substr(0,4);
}
]]> http://www.memosoup.com/20100107/javascript-soundex-implementation.html/feed 0 JavaScript: build table dynamically http://www.memosoup.com/20090918/javascript-build-table-dynamically.html http://www.memosoup.com/20090918/javascript-build-table-dynamically.html#comments Fri, 18 Sep 2009 15:18:15 +0000 admin http://www.memosoup.com/?p=136
<script type="text/javascript">
function buildTable(n_rows,n_columns) {

var the_body = document.getElementsByTagName("body")[0];

<code>var new_table = document.createElement("table");
var new_tbody = document.createElement("tbody");

var new_row, new_col, new_text ;

for(row=1;row<=n_rows;row++) {
new_row = document.createElement("tr");
new_row.className = "tr"+row ;
for(col=1;col<=n_columns;col++) {
new_col = document.createElement("td");
new_col.className = "td"+col ;
new_text = document.createTextNode("text:" + row + ":" + col );

new_col.appendChild(new_text);
new_row.appendChild(new_col);
}
new_tbody.appendChild(new_row);
}

new_table.appendChild(new_tbody);
new_table.setAttribute("border", "2");

the_body.appendChild(new_table);

return new_table ;

}
</script>
<body>
Example:
<script type="text/javascript">
buildTable(4,3)
</script>
</body>

There is also interesting article on oreillynet.com, discussing performance improvement for such operations.

]]> http://www.memosoup.com/20090918/javascript-build-table-dynamically.html/feed 0