javascript去掉数组中重复的值

参考：

方法一：

a = ["Mike","Matt","Nancy","Adam","Jenny","Nancy","Carl",1,2,3,1,2,3,4,5,6,7,8,1,2,3];
b = {};
for (var i = 0; i < a.length; i++) {
    b[a[i]] = a[i];
}
c = [];
for (var key in b) {
    c.push(key);
    console.log(key);
}

方法二：

myArray = ["Mike","Matt","Nancy","Adam","Jenny","Nancy","Carl",1,2,3,1,2,3,4,5,6,7,8,1,2,3];
uniqueArray = myArray.filter(function(elem, pos) {
    return myArray.indexOf(elem) == pos;
});
console.dir(uniqueArray);

方法三（jquery）：

var names = ["Mike","Matt","Nancy","Adam","Jenny","Nancy","Carl"];
var uniqueNames = [];
$.each(names, function(i, el){
    if($.inArray(el, uniqueNames) === -1) uniqueNames.push(el);
});