function commafy(num){
return num && num
.toString()
.replace(/(d)(?=(d{3})+.)/g, function($1, $2){
return $2 + ',';
});
}
链接:https://juejin.im/post/5d8989296fb9a06b1f147070
来源:掘金
链接:https://juejin.im/post/5d8989296fb9a06b1f147070
来源:掘金