js获取数组中相同元素数量
<script> var array = new Array(1,2,5,1,4,4,2,3,5,1,1,5,5,5,6,7,3,9,9,10); var arr = new Array(); var test = new Array(); var num = 1; var temp = ""; var size = array.length; for(var i=0;i<size; i++){ for(var j=i+1;j<size; j++){ if(array[i] == array[j]){ array.splice(j,1) size--; j--; num ++; } } test[i] = num ; num = 1; arr[i] = array[i] } for(var i=0;i<size; i++){ document.write("----------------------元素:"+arr[i]+"个数为:"+test[i]+"<br>"); } </script>