JavaScript changes the style of HTML elements, changes CSS and element attributes_javascript skills

Change HTML style
To change the style of HTML elements, please use this syntax:

Copy the code The code is as follows:

document.getElementById(id).style.property=new style

Hello World!

<script> <br>document.getElementById("p2").style.color="blue"; <br></script>

JS changes element attributes;

Copy code The code is as follows:

<script> <br>var div = document.getElementByIdx_x('d1'); <br> div.setAttribute("class", "abc"); <br></script>