AngularJS之forEach
angular.forEach
描述:
循环对obj对象的每个元素调用iterator, obj对象可以是一个Object或一个Array. Iterator函数调用方法: iterator(value, key, obj), 其中obj是被迭代对象,key是obj的property key或者是数组的index,value就是相应的值啦. (此函数不能够迭代继承的属性.)
使用方法:
angular.forEach(obj, iterator, [context])
参数详解:
Param Type Details
angular.forEach(obj, function(value,index,objs){}, context);
obj | Object Array |
被迭代的对象. |
iterator | Function |
迭代函数 |
context
(optional)
|
Object |
Object to become context (this) for the iterator function. |
返回值:
对obj的引用
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