随机产生两个数值之间的某个值 

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<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
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$(function(){
	var arr = ["red","yellow","blue","green","orange","black"];
	var num = selectFn(0,arr.length-1);
	console.log(num);
	console.log(arr[num]);
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function selectFn(min,max){
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	return Math.floor(Math.random()*choices+min);
}
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posted on 2017-05-18 13:13  jasonduanmu  阅读(319)  评论(0)  编辑  收藏  举报

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