Modify the style of HTML body in JS
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1. Original Definition First define in css:
body, html {
width: 300px;
height: 300px;
}
2. JS operation, taking width modification as an example
// Get the body and html node styles (mainly html here, it is not clear how to get it at first)
let bodyStyle = document.body.style
let htmlStyle = document.getElementsByTagName('html')[0].style
// Get the width of the browser. Width can also be set to any value. let width = document.documentElement.clientWidth || document.body.clientWidth
// Reset body width bodyStyle.width = `${width}px`
// Reset html width htmlStyle.width = `${width}px`
// Or other style modifications, such as:
htmlStyle['min-width'] = `${width}px`
3. Effect: Width has been modified
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