javascript - jQuery: set 'selected' tag in options if value is in array -

I am trying to add the selected attribute to the option The tag using jQuery (those on a Wordpress site) those values ​​that should be selected are stored in the PHP array. The selected attribute is & lt; Options & gt; .. ?

Why is not added to my-script.js each function ($) {var arr = [& lt ;? Php echo '' '.implode (' ", '', $ php_array)

  jQuery (" # location options "). ''? & Gt;]; // for test Also the hardcode array is: // var arr = ["1", "2"]; if (jQuery.inArray ($ (this) .val (either)), ARM! = -1) {$ (this). Attr ('selected', 'selected');};});   
  .js  The script is enqueqed properly.  
 < Strong> html-output   
   name = "location []" multi = "multiple" id = "location" class = "post-format" style = "display : None; "& gt; Option value =" - 1 "> Select a location  gt; option class =" level-0 "value =" 1 "& gt; ; C Location A & lt; / option & gt; & lt; option class = "level-0" value = "2" & gt; Location B & lt; / option & gt; & lt; option class = "level-0" Value = "3" & gt; Location C & lt; / option & gt; & lt; / select & gt;    
 
 
 The problem is that you remove  every  handler from  $  and your code works fine:  
 < Code> var arr = ["1", "2"]; JQuery ("# ​​location options"). Each (function () {if (jQuery.inArray ($ (this) .val (), arr)! = -1) {$ (this) .prop ('selected', true);};});   
   

 




  












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