PHP中有一个函数:String str_repeat($str, num);挺好用的....以下通过js和php模拟实现。
1:PHP版本
/*PHP版实现*/
function repeat($str, $num){
return implode( $str, array_fill(0, $num+1, '') );
}
2:JavaScript实现:
/*JavaScript实现*/
function repeat(str, num){
return new Array( num + 1 ).join( str );
}
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