Javascript 元标签如何仅在移动设备上显示?
我需要一个代码片段来帮助我的元标记只在移动设备上显示,默认桌面将被隐藏Javascript 元标签如何仅在移动设备上显示?,javascript,html,wordpress,woocommerce,tags,Javascript,Html,Wordpress,Woocommerce,Tags,我需要一个代码片段来帮助我的元标记只在移动设备上显示,默认桌面将被隐藏 function initScreen() { isMobile = (/iPhone|iPod|Android|BlackBerry/).test(navigator.userAgent); isTablet = (/iPad/).test(navigator.userAgent); if(isMobile) { $('<meta name="viewport" content
function initScreen() {
isMobile = (/iPhone|iPod|Android|BlackBerry/).test(navigator.userAgent);
isTablet = (/iPad/).test(navigator.userAgent);
if(isMobile) {
$('<meta name="viewport" content="initial-scale=0.30, maximum-scale=0.50, minimum-scale=0.25, width=device-width, user-scalable=yes">').appendTo('head');
} else if(isTablet) {
$('<meta name="viewport" content="initial-scale=0.95, maximum-scale=0.95, width=device-width, user-scalable=no">').appendTo('head');
} else {
$('<meta name="viewport" content="initial-scale=0.80, maximum-scale=0.80, width=device-width, user-scalable=no">').appendTo('head');
}
}
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<script type="text/javascript">
$(document).ready(function() {
initScreen();
});
</script>
</head>
函数initScreen(){
isMobile=(/iPhone | iPod | Android | BlackBerry/).test(navigator.userAgent);
isTablet=(/iPad/).test(navigator.userAgent);
if(isMobile){
$('')。附于('head');
}else if(iTablet){
$('')。附于('head');
}否则{
$('')。附于('head');
}
}
$(文档).ready(函数(){
initScreen();
});
有人能帮我吗?也许你需要使用
文档。写而不是使用jquery append
<head>
<script>
var isMobile = (/iPhone|iPod|Android|BlackBerry/).test(navigator.userAgent);
isTablet = (/iPad/).test(navigator.userAgent);
if(isMobile) {
document.write('<meta name="viewport" content="initial-scale=0.30, maximum-scale=0.50, minimum-scale=0.25, width=device-width, user-scalable=yes">');
} else if(isTablet) {
document.write('<meta name="viewport" content="initial-scale=0.95, maximum-scale=0.95, width=device-width, user-scalable=no">');
} else {
document.write('<meta name="viewport" content="initial-scale=0.80, maximum-scale=0.80, width=device-width, user-scalable=no">');
}
</script>
</head>
var isMobile=(/iPhone | iPod | Android | BlackBerry/).test(navigator.userAgent);
isTablet=(/iPad/).test(navigator.userAgent);
if(isMobile){
文件。写(“”);
}else if(iTablet){
文件。写(“”);
}否则{
文件。写(“”);
}
您不需要在桌面上隐藏视口元标记。此外,document ready事件将触发得太晚,此方法无法工作。??元标记不会显示在任何设备中…@evolutionxbox您是对的,不太正确necessary@Teemu我计划只在我的电脑上没有显示的移动版本中显示此标签谢谢@Tan Duong