String.prototype.trim = function() {
// skip leading and trailing whitespace
// and return everything in between
var x=this;
x=x.replace(/^\s*(.*)/, "$1");
x=x.replace(/(.*?)\s*$/, "$1");
return x;
}
function testCheckboxes()
{
alert("hhhh");
selRows = getSelectedCheckBoxValues(document.mainform,"my_checkbox",",");
selRowsArray = selRows.split(",");
if (selRowsArray.length == 0)
{
alert("No rows selected");
return;
}
firstId = selRowsArray[0];
alert("First selection before trim is:" + firstId + ":");
firstId = firstId.trim();
alert("First selection is:" + firstId + ":");
//firstId now contains the key for the next page
}
satya - Friday, August 07, 2009 3:39:15 PM
Initialize a javascript array
var itemArray = [
{name: "Social", value: "12345678"},
{name: "cell1", value: "12345678"},
{name: "cell2", value: "12345678"}
];
satya - Friday, August 07, 2009 4:27:27 PM
add to a javascript array example
satya - Saturday, August 08, 2009 11:12:57 AM
You can add a new item to this array by reading off of an input field
var sarr="cell3:654321";
var arr = sarr.split(":");
var obj = {name:arr[0],value:arr[1]};
satya - Wednesday, June 22, 2011 3:10:31 PM
javascript array variable
var myarray = new Array();
myarray["first"]="hello";
myarray["second"]="hello2";
satya - Wednesday, June 22, 2011 3:22:04 PM
You can do this
var item1 = myarray["first"];
if (item1 != null)
{
alert('not there');
}
else
{
alert(item1);
}
satya - Wednesday, June 22, 2011 5:00:47 PM
jquery trim function
var s = " hhhhh ";
var s1 = $.trim(s);
alert(s1);
satya - Wednesday, June 22, 2011 5:01:19 PM
this trim only trims the front and the back
this trim only trims the front and the back
satya - Thursday, June 23, 2011 10:38:10 AM
comments in css
/* comment */
satya - Thursday, June 23, 2011 10:38:24 AM
css conditional comments
css conditional comments
satya - Thursday, August 11, 2011 10:58:45 AM
You can get an array of elements belonging to a class
function gatherDivIdsWithAClassname(classname)
{
var lDivIdArray = new Array();
var divElementArray = $("." + classname);
for(i=0;i<divElementArray.length;i++)
{
var curdiv = divElementArray[i];
var curdivid = $(curdiv).attr("id");
lDivIdArray[i]=curdivid;
}
return lDivIdArray;
}
satya - Wednesday, August 17, 2011 12:09:55 PM
Here is a function to remove the first occ of a character from a string
function removeChar(s, c)
{
var i = s.indexOf(c);
if (i == -1)
{
return s;
}
//it exists
var front = s.substring(0,i);
var back = s.substring(i+1);
return front + back;
}
may not be the most efficient...
satya - Wednesday, August 17, 2011 12:10:49 PM
Create a space between each character in a string
function spacethem(s)
{
var ns = "";
for (i=0; i<s.length; i++)
{
ns = ns.concat(s.charAt(i));
ns = ns.concat(" ");
}
return ns;
}
satya - Wednesday, August 17, 2011 12:13:28 PM
extract letters from somestring(234): ome
//format: somesring(234)
//answer: ome (2nd, 3rd, and 4th letters)
function extractLetters(s)
{
var i = s.indexOf('(');
var j = s.indexOf(')');
var letterNumbers = s.substring(i+1,j);
var s1 = "";
for (i=0;i<letterNumbers.length;i++)
{
var charIndex = letterNumbers.charAt(i);
var nCharIndex = parseInt(charIndex);
var c = s.charAt(nCharIndex-1);
s1= s1.concat(c);
}
return s1;
}
satya - Saturday, February 25, 2012 9:34:21 AM
Javascript null
Javascript null
satya - Sat May 05 2012 13:34:06 GMT-0400 (Eastern Daylight Time)
here is an example of tokenization
function showPost()
{
var fieldSpec="{{f_field_names}}";
var fieldList = fieldSpec.split("|");
var fieldSpecPost = "";
var first = true;
for(i=0;i<fieldList.length;i++)
{
var indFieldSpec = fieldList[i];
if (first == true)
{
first=false;
fieldSpecPost += getSamplePostForFieldSpec(indFieldSpec);
}
else
{
fieldSpecPost += "&";
fieldSpecPost += getSamplePostForFieldSpec(indFieldSpec);
}
}
alert(fieldSpecPost);
}
function getSamplePostForFieldSpec(fieldSpec)
{
var fieldSpecParts = fieldSpec.split(",");
var fieldName = fieldSpecParts[0];
var fieldType = fieldSpecParts[1];
if (fieldType.indexOf("num") >= 0)
{
//it is a number
return fieldName + "=10";
}
if (fieldType.indexOf("date") >= 0)
{
//it is a date
return fieldName + "=04/15/2012";
}
return fieldName + "=" + fieldName + " value";
}
satya - Fri Oct 12 2012 13:21:00 GMT-0400 (Eastern Daylight Time)
string.toLowerCase()
string.toLowerCase()
satya - Fri Oct 12 2012 13:21:54 GMT-0400 (Eastern Daylight Time)
Reference to the string object
satya - 6/17/2013 3:58:07 PM
javascript instance of an array
javascript instance of an array
satya - 5/2/2014 11:05:59 AM
You can do push to add an object to an array
var a = new Array();
var o = {field1:"value", field2: "value"};
a.push(o);
satya - 5/24/2014 12:11:13 PM
See notes on regular expressions here