javascript - Displaying Sum Of Characters and Sum Of Words -

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this script counts characters , words 3 separate textarea inputs , echo's out sum. variable sum of characters (chars_all) working, variable sum of words (words_all) returning same number.

if return single words variable (words1, words2, words3), works intended. issue seems in getting final sum.

here's relevant piece of code 

setinterval(function(){                var chars1 = $('#content_ifr').contents().find('body').text();               var words1 = chars1.split(" ");                var chars2 = $('#contentsection2_ifr').contents().find('body').text();               var words2 = chars2.split(" ");                var chars3 = $('#contentsection3_ifr').contents().find('body').text();               var words3 = chars3.split(" ");      var chars_all = chars1+chars2+chars3;     var words_all = words1+words2+words3;      $(".textarea_chars_all").text(chars_all.length);     $(".textarea_words_all").text(words_all.length);  }, 2000)

just clarify, code return correct number 

$(".textarea_words_all").text(words1.length);

while code not 

$(".textarea_words_all").text(words_all.length);

you should use var words_all = words1.concat(words2, words3); because words1, words2 , words3 arrays.


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