1.利用window的属性
function isminstatus() {
var ismin = false;
if (window.outerwidth != undefined) {
ismin = window.outerwidth <= 160 && window.outerheight <= 28;
}
else {
ismin = window.screentop < -30000 && window.screenleft < -30000;
}
return ismin;
}
2.利用document的visibilitystate和hidden属性(推荐)
document.addeventlistener("visibilitychange", function() {
console.log( document.visibilitystate );
console.log( document.hidden);
});
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