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How js changes css style

coldplay.xixiOriginal: 2021-04-16 14:52:464386browse

How to change the css style in js: 1. Use the cssText method; 2. Use the [setProperty()] method; 3. Use the style attribute corresponding to the css attribute.

The operating environment of this tutorial: windows7 system, css3 version, DELL G3 computer.

JS method to change css style:

The first one: use cssText

div.style.cssText=&#39;width:600px;height:250px;border:1px red solid;text-align: center;line-height: 250px;&#39;;

The second one : Use setProperty()

 div.style.setProperty(&#39;width&#39;,&#39;700px&#39;);
 div.style.setProperty(&#39;height&#39;,&#39;300px&#39;);
 div.style.setProperty(&#39;line-height&#39;,&#39;300px&#39;);
 div.style.setProperty(&#39;background&#39;,&#39;#f00&#39;);
 div.style.setProperty(&#39;color&#39;,&#39;#fff&#39;);
 div.style.setProperty(&#39;border&#39;,&#39;1px solid blue&#39;);
 div.style.setProperty(&#39;text-align&#39;,&#39;center&#39;);

Third method: Use the style attribute corresponding to the css attribute

 div.style.width = "800px";
 div.style.height = "250px"; 
 div.style.lineHeight = "250px"; 
 div.style.background = "#000";
 div.style.color = "#fff";
 div.style.border = "1px solid #111";
 div.style.textAlign = "center";


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