A simple example of JS removing spaces at both ends of a string_javascript skills

//Remove left space;
function ltrim(s)
{

return s.replace(/(^s*)/g, "");
}
//Remove right space;
function rtrim(s)
{
return s.replace(/(s*$)/g, "");
}
//Remove left and right spaces;
function trim(s){
return s.replace(/(^s*)|(s*$)/g, "");
}