remove duplicated array item
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1 2 3 4 5 | var arr = ["Chandelier","Big Girls Cry","Burn the Pages","Eye of the Needle","Hostage","Straight for the Knife","Fair Game","Elastic Heart","Free the Animal","Fire Meet Gasoline","Cellophane","Dressed In Black","Chandelier","Elastic Heart","Chandelier","Chandelier","Elastic Heart","Elastic Heart","Big Girls Cry","Big Girls Cry"]; $.each(arr, function(i,obj){ console.log(obj); }); |
如何确保我的数组是唯一的？
与
1 2 3 4 5 6 7 8 9 | var arr = ["Chandelier","Big Girls Cry","Burn the Pages","Eye of the Needle","Hostage","Straight for the Knife","Fair Game","Elastic Heart","Free the Animal","Fire Meet Gasoline","Cellophane","Dressed In Black","Chandelier","Elastic Heart","Chandelier","Chandelier","Elastic Heart","Elastic Heart","Big Girls Cry","Big Girls Cry"], unique = arr.filter(function (a) { if (!this[a]) { this[a] = true; return true; } }, {}); document.write('[cc lang="javascript"]' + JSON.stringify(unique, 0, 4) + ' |
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