function instr(str, arry, n, m){
var x = '', j=0;
str = str.split('');
for(var i=n; i < str.length -1; i+=m){
if(j < array.length){
str[i] += array[i];
j++;
}
}
x = str.join('');
return x;
}
function instr(str, arry, n, m){
var x = '', j=0;
str = str.split('');
for(var i=n; i < str.length -1; i+=m){
if(j < array.length){
str[i] += array[i];
j++;
}
}
x = str.join('');
return x;
}
本文标题:从字符串中指定下标为n,开始每隔m位置,从array数组中取出一
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