As you may know, in JavaScript '' + null = "null" and '' + undefined = "undefined" (in most browsers I can test: Firefox, Chrome and IE). I would like to know the origin of this oddity (what the heck was in the head on...
I have a text input as follows:  <input class="input-large" form="form" type="text" name="product_data[product]" id="product_description_product" value="{$product_data.product}" />   Unfortunately...
I am new to Google Apps Script and am trying to combine a series of strings. I have two strings that need to go before and after an inputted cell.   if B4 = "string2"  the result of the following line should be "string1 string2 string3...
I have been given the two strings "str1" and "str2" and I need to join them into a single string. The result should be something like this: "String1, String 2". The "str1" and "str2" variables however do not ha...
I've seen several examples from different languages that unambiguously prove that joining elements of a list(array) is times faster that just concatenating string. Unfortunately I didn't find an explanation why? Can someone explain the inner...
Is there a built in function to pad characters n number of times?  Ex:  var myString = 'something'; var myCharToPad = '-'; var numTimesToPad = 5;   I am expecting myString = 'something-----';...
I was comparing two branches and there is a divergence in code while the + operator, in my opinion it doesn't make any difference since it's push. Is there any difference?  Before  if (numberPattern.test(val)) {             var getNumbers = v...
how can i transfer the Value from Input 1 in 2 and add some letters?  <script type="text/javascript">  function doit(){ document.getElementById('input2').value=document.getElementById('input1').value; }  </script>...
Is there any way to concat a js function name?  right now I have this:  switch (playId) {         case "11":             play11();             break;         case "22":             play22();             break;         case "33"...
I have one page iframed inside of another. The child page communicates with the parent page by using the sendMessage() function. The parent page runs eval() on the message that is received from the child page.  This is the code that constructs the me...

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