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MemoSoup » JavaScript http://www.memosoup.com Mix of the things I always forget Fri, 30 Jul 2010 15:59:38 +0000 en hourly 1 http://wordpress.org/?v=3.0.1 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'; [...]]]> 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,"") if ( s_src.length < 1) { return(s_rez); } s_rez = s_src.substr(0,1); prev = "0"; for [...]]]> 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 There is also interesting article on oreillynet.com, discussing performance improvement for [...]]]>

<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.

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