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POArray.sort working differently in chrome and firefox and IE
 

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  1. POArray.sort working differently in chrome and firefox and IE
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    <p>I'm trying to sort an array that contains objects, based on the field[marks] in the object. The array is getting sorted differently in Firefox and chrome. In Chrome and IE9 the sixteenth item gets shifted to the top of the array for no reason. Since all the marks are 0 I assumed no sorting will take place. No sorting happens in Firefox but that's not the case with chrome and IE. Please find the code below I have used. Any advice to why this happens would be much appreciated</p> <pre><code>var arr = [ {"userid":"1","name":"USER_1","subjectid":"123","marks":"0"}, {"userid":"2","name":"USER_2","subjectid":"123","marks":"0"}, {"userid":"3","name":"USER_3","subjectid":"123","marks":"0"}, {"userid":"4","name":"USER_4","subjectid":"123","marks":"0"}, {"userid":"5","name":"USER_5","subjectid":"123","marks":"0"}, {"userid":"6","name":"USER_6 ","subjectid":"123","marks":"0"}, {"userid":"7","name":"USER_7","subjectid":"123","marks":"0"}, {"userid":"8","name":"USER_8","subjectid":"123","marks":"0"}, {"userid":"9","name":"USER_9","subjectid":"123","marks":"0"}, {"userid":"10","name":"USER_10","subjectid":"123","marks":"0"}, {"userid":"11","name":"USER_11","subjectid":"123","marks":"0"}, {"userid":"12","name":"USER_12","subjectid":"123","marks":"0"}, {"userid":"13","name":"USER_13","subjectid":"123","marks":"0"}, {"userid":"14","name":"USER_14","subjectid":"123","marks":"0"}, {"userid":"15","name":"USER_15","subjectid":"123","marks":"0"}, {"userid":"16","name":"USER_6","subjectid":"123","marks":"0"}, {"userid":"17","name":"USER_17","subjectid":"123","marks":"0"}, {"userid":"18","name":"USER_8","subjectid":"123","marks":"0"}, {"userid":"19","name":"USER_19","subjectid":"123","marks":"0"}, {"userid":"20","name":"USER_20","subjectid":"123","marks":"0"}, {"userid":"21","name":"USER_21","subjectid":"123","marks":"0"}, {"userid":"22","name":"USER_22","subjectid":"123","marks":"0"}, {"userid":"23","name":"USER_23","subjectid":"123","marks":"0"}, {"userid":"24","name":"USER_24","subjectid":"123","marks":"0"}, {"userid":"25","name":"USER_25","subjectid":"123","marks":"0"}, {"userid":"26","name":"USER_26","subjectid":"123","marks":"0"}, {"userid":"27","name":"USER_27","subjectid":"123","marks":"0"}, {"userid":"28","name":"USER_28","subjectid":"123","marks":"0"}, {"userid":"29","name":"USER_29","subjectid":"123","marks":"0"}, {"userid":"30","name":"USER_30","subjectid":"123","marks":"0"}, {"userid":"31","name":"USER_31","subjectid":"123","marks":"0"}, {"userid":"32","name":"USER_32","subjectid":"123","marks":"0"}, {"userid":"33","name":"USER_33","subjectid":"123","marks":"0"} ]; console.log(JSON.stringify(arr)); arr.sort(function(a,b){ return b['marks'] - a['marks']; }); for(var i = 0; i &lt; arr.length; i++){ arr[i].position = i + 1; } console.log(JSON.stringify(arr));​ </code></pre>
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    1. USkgrittn
    1. USmanraj82
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    1. This table or related slice is empty.
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      1. LTLinked
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    1. This table or related slice is empty.
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      1. POArray.sort working differently in chrome and firefox and IE
      1. This table or related slice is empty.
      1. VTUpMod
    1. COYou could check if the array is sorted before sorting it. [From specification](http://ecma-international.org/ecma-262/5.1/#sec-15.4.4.11): *The sort is not necessarily stable (that is, elements that compare equal do not necessarily remain in their original order).*
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      1. POArray.sort working differently in chrome and firefox and IE
      1. USEsailija
    2. COConsider using a secondary field for the sort when marks compares equal.
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      1. POArray.sort working differently in chrome and firefox and IE
      1. USi_am_jorf
 

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