Javascript 等效于.width() 和.height()

Question

以下 jquery 代码的 javascript 等效项是什么

  $(document).on({
    mousemove: function(event) {
        widget = $('.widget').last();
        x = event.pageX;
        y = event.pageY;

        widget.width(x); // here is the real problem
        widget.height(y); // here is the real problem
      }
    },
  });

Answer 1

试试这个：

widget = $('.widget').last()[0];
x = event.pageX;
y = event.pageY;

widget.style.width  = `${x}px`;
widget.style.height = `${y}px`;