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<script type="text/javascript">
Array.prototype.del = function() {
for (var i = 0; i < l; i++) {
var a = {}, c = [], l = this.length;
var b = this[i];
var d = (typeof b) + b;
c.push(b);
a[d] = 1;
}
}
return c;

}
var myArr=['text','text','5','2','2','3','4','5','5'];
document.write(myArr.del());

</script>