We believe in a future in which the web is a preferred environment for numerical computation. To help realize this future, we've built stdlib. stdlib is a standard library, with an emphasis on ...

//如果不传入参数二，那么将从参数一的索引位置开始截取，一直到数组尾 var a=[1,2,3,4,5,6]; var b=a.slice(0,3); //[1,2,3] var c=a.slice(3 ...