js with All In One

不推荐，要废弃



function f(x, o) {

  with (o) {

    console.log(x);

  }

}

function f(foo, values) {

  with (foo) {

    console.log(values);

  }

}



var a, x, y;

var r = 10;

with (Math) {

  a = PI * r * r;

  x = r * cos(PI);

  y = r * sin(PI / 2);

}

refs

xgqfrms 2012-2020

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