在网上copy了一段数组比较的代码 为什么我运行会出现这样的结果呢?
function(B){var A=this.indexOf(B);if(A!=-1){this.splice(A,1)return this},function{}}....
11,12
高手解释一下啊
function f(){
var a=['1','11','12'];
var b=['1'];
var aDiff =[];
var aSame =[];
var bIsChk = false;
var str = b.join("");
for(var e in a){
if(str.indexOf(a[e]) == -1)
{
aDiff.push(a[e]);
}
else
{
if(!bIsChk)aSame.push(a[e]);
}
}
bIsChk = true;
alert(aDiff);
}
function(B){var A=this.indexOf(B);if(A!=-1){this.splice(A,1)return this},function{}}....
11,12
高手解释一下啊
function f(){
var a=['1','11','12'];
var b=['1'];
var aDiff =[];
var aSame =[];
var bIsChk = false;
var str = b.join("");
for(var e in a){
if(str.indexOf(a[e]) == -1)
{
aDiff.push(a[e]);
}
else
{
if(!bIsChk)aSame.push(a[e]);
}
}
bIsChk = true;
alert(aDiff);
}
function f(){
var a=['1','11','12']; //用于比较的数组a
var b=['1']; //用于比较的数组b
var aDiff =[]; //用于存放不同元素的新数组
var aSame =[]; //用于存放相同元素的新数组
var bIsChk = false;
var str = b.join(""); //将b转换成以""分割的字符串
for(var e in a){ //遍历a
if(str.indexOf(a[e]) == -1) //如果str可不存在a中的某个元素
{
aDiff.push(a[e]); //将该元素push到aDiff中
}
else
{
if(!bIsChk)aSame.push(a[e]); //将元素push到aSame中
}
}
bIsChk = true;
alert(aDiff); //输出不同元素新数组,所以值为 11,12
}
function(B){var A=this.indexOf(B);if(A!=-1){this.splice(A,1)return this},function{}}....
11,12
++++++++++++++++++++++
和for()循环语句 不一样。还是用for()循环吧都给分了
不要用
for (var e in a)