这篇文章主要介绍了JS实现改变HTML上文字颜色和内容的方法,涉及JS数学运算与页面元素动态操作相关技巧,需要的朋友可以参考下
本文实例讲述了JS实现改变HTML上文字颜色和内容的方法。分享给大家供大家参考,具体如下:
1. JavaScript
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE> Day 1 </TITLE> <META NAME="Generator" CONTENT="EditPlus"> <META NAME="Author" CONTENT=""> <META NAME="Keywords" CONTENT=""> <META NAME="Description" CONTENT=""> <script> // to change the color of an object. function changeColor(){ x=document.getElementById("Id1"); x.style.color="Red"; } // to change the content of an object. function changeContent(){ y=document.getElementById("Id2"); y.innerHTML="Hi, you have changed the contents using Java Script successfully!"; } </script> </HEAD> <BODY bgcolor="AntiqueWhite"> <h1 ><center>Welcome Page</center></h1> <p id="Id1">It is test 1.</p> <p id="Id2">It is test 2.</p> <button type="button" onclick ="changeColor()"> Change color of test 1 </button><br/><br/> <button type="button" onclick ="changeContent()"> Change content of test 2 </button> </BODY> </HTML>
2. Day 1.html
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE> Day 1 </TITLE> <META NAME="Generator" CONTENT="EditPlus"> <META NAME="Author" CONTENT=""> <META NAME="Keywords" CONTENT=""> <META NAME="Description" CONTENT=""> <script> // to change the color of an object. function changeColor(){ x=document.getElementById("Id1"); x.style.color="Red"; } // to change the content of an object. function changeContent(){ y=document.getElementById("Id2"); y.innerHTML="Hi, you have changed the contents using Java Script successfully!"; } </script> </HEAD> <BODY bgcolor="AntiqueWhite"> <h1 ><center>Welcome Page</center></h1> <p id="Id1">It is test 1.</p> <p id="Id2">It is test 2.</p> <button type="button" onclick ="changeColor()"> Change color of test 1 </button><br/><br/> <button type="button" onclick ="changeContent()"> Change content of test 2 </button> </BODY> </HTML>
3. 运行效果截图:
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