| obj | ObjectArray | 被迭代的对象. | 
| iterator | Function | 迭代函数 | 
| context(optional) | Object | Object to become context (this) for the iterator function. | 
    var heros = [{            "hero" : "曙光女神",            "role" : "sup",            "line" : "不管刮风还是下雨,太阳照常升起"}],        context = document.getElementById('context'),        arr = [];        angular.forEach(heros,function(hero,index,objs){            //value === objs[index]            angular.forEach(hero,function(value,index){                this.push(index+"-"+value);            },arr);        });        context.innetText?context.innetText = arr.join(''):context.textContent = arr.join('');效果: http://runjs.cn/detail/ixfp2ics新闻热点
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