html5编程之用js设置背景颜色、字体颜色和行高

• 用js设置div的背景色：document.getElementById(‘div2’).style.backgroundColor=’#ff0000’;
• 用js设置字体颜色：
  var color = new Array(“red”,”orange”,”yellow”,”green”,”blue”,”indigo”,”purple”);
  var message = new Array(“红”,”橙”,”黄”,”绿”,”蓝”,”靛”,”紫”);
  document.getElementById(“color”).style.color = color[i];
• 如何在js中设置文字的行高：line_height：：document.getElementById(“div1”).style.lineHeight=”2”;