Notepad++ select javascript content

Jak změřit čas trvání vykonání nějaké funkce, nebo provedení části kódu v PHP

$start_time = microtime(true);

// do some work

$end_time = microtime(true);
// Calculate  execution time
$execution_time = ($end_time - $start_time);

echo " Execution time = ".$execution_time." sec";

     // FOR Gecko Browser selectionStart / selectionEnd selection length
 function getPos(){
     if	(typeof document.getElementById('idTextarea').selectionStart != 'undefined') {
        var nPosCursor = document.getElementById('idTextarea').selectionStart; 
        var nEndPos = document.getElementById('idTextarea').selectionEnd;
   return nPosCursor; 
   }
   return 0; // or -1 
}

// source by javascript-array.com/guides/javascript_faq/
//Internet Explorer 4+, Mozilla/Gecko/Firefox
function getCaretPos(obj)
{
  obj.focus();
  
  if(obj.selectionStart) return obj.selectionStart; //Gecko
  else if (document.selection) //Internet Explorer
  {
    var sel = document.selection.createRange();
    var clone = sel.duplicate();
    sel.collapse(true);
    clone.moveToElementText(obj);
    clone.setEndPoint('EndToEnd', sel);
    return clone.text.length;
  }
  
  return 0;
}

var myArray = []; // smazat obsah, nebo inicializovat nove pole

concat([item1[, item2[, . . . [, itemN]]]])
concat([string2[, string3[, . . . [, stringN]]]])
/* spoji stringy nebo pole a vraci novy string nebo pole */

join(separator)
/* vrati v string spojene itemy poli oddelene separatorem*/

push([item1 [item2 [. . . [itemN ]]]])
/* prida na konec pole novy item a vraci delku pole*/

pop()
/* odebere posledni element z pole a vrati jeho hodnotu*/

reverse()
/*vraci obracene poradi itemu pole*/

shift()
/* odebere prvni item z pole a vrati jej*/

slice(start, [end])
/* varaci cast pole*/
  var  numArray = new Array(3,2,5,9);
  var  newNumArray = numArray.slice(1,3); // 2,5

sort() // string
 
sort(sortFunction)
/* setridi pole cisel od nejvetsiho - descending  */
sort(function(a, b){return b-a})
/* setridi od nejmensiho cisla - ascendant*/
sort(function(a, b){return a-b})

splice(start, deleteCount, [item1[, item2[, . . . [,itemN]]]])
/* odebere element z pole, popripade vlozi novy a vrati odebrany element*/
    var numArray = new Array(3,2,5,9);
    var newNumArray = numArray.splice(1,1); // 3,5,9

unshift([item1[, item2 [, . . . [, itemN]]]])
/* prida na pocatek item, ktery je parametrem funkce  */
var myA = new Array(10,11,12); 
myA.unshift(1); // 1,10,11,12

       <font color=#3E845E size="0.8px">Copyright ©  2008-<?php print date("Y").' '.$_SERVER ["HTTP_HOST"];?>, all right reserved
      </font><br>

Toogle DIV javascript example code:

<div id="idSomeDiv"> text div </div>

<input type="button" size="200" value="Skryj-zobraz" 
onclick="var dH = document.getElementById('idSomeDiv'); 
if(dH.style.visibility == 'hidden') { 
dH.style.visibility = 'visible'; 
} else { 
dH.style.visibility = 'hidden'; 
}">