How to use javascript to change the color: 1. Use the "element object.style.color = "color value";" statement to change the text color; 2. Use "element object.style.backgroundColor = "color value" ";" statement to change the background color.
The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.
Use javascript to change the color
1. Use the color property of the Style object to change the text color
The color attribute sets the color of the text.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<div id="box">元素内容</div><br />
<button onclick="myFunction()">改变文本颜色</button>
<script>
function myFunction() {
var box = document.getElementById("box");
box.style.color = "red";
}
</script>
</body>
</html>
2. Use the backgroundColor property of the Style object to change the background color
The backgroundColor property can set the background color of the element.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<div id="box">元素内容</div><br />
<button onclick="myFunction()">改变背景颜色</button>
<script>
function myFunction() {
var box = document.getElementById("box");
box.style.backgroundColor = "red";
}
</script>
</body>
</html>
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