js 基础语法demo

for-forEach

/** * for/foreach *     http://www.cnblogs.com/Fskjb/archive/2011/03/26/1996165.html *     http://www.cnblogs.com/fangshidaima/p/5910604.html */function testForeachStatement() {    debugger;    var arrStr = ["AAA", "BBB", "CCC", "DDD", "EEE"];    for(var key in arrStr) {        console.log(key); // key(index)    }    arrStr.forEach(function(value, index, array) {        console.log(value);        console.log(index);        console.log(array);    });}