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Hướng dẫn sử dụng K12online

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Monday, 08/06/2026 – 15:49

Chào mừng bạn đến với cổng thông tin điện tử của Trường THCS Giao An

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Trường THCS Giao An

Địa chỉ: Xã Giao An, Huyện Giao Thủy, Nam Định

Điện thoại: – Email: thcsgiaoan2@gmail.com

Hợp tác phát triển bởi EduPortal

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;
VHV.using ($.extend(
$.parseJSON(decode64(‘eyJsYXlvdXQiOiJBcnRpY2xlLkxpc3QubGlzdCIsIml0ZW1zUGVyUGFnZSI6IjYiLCJ0b3RhbEl0ZW1zIjo4NDksIm9yZGVyQnkiOiJ0b3RhbFZpZXdzIERFU0MiLCJwYWdlTm8iOjEsInNlcnZpY2UiOiJDb250ZW50LkFydGljbGUuc2VsZWN0QWxsIiwid2lkZ2V0Q29kZSI6IkFydGljbGUiLCJ0eXBlIjoiQXJ0aWNsZS5OZXdzIiwiZGV0YWlsTGF5b3V0IjoiQXJ0aWNsZS5OZXdzLkRldGFpbC5kZWZhdWx0IiwiX2VudGl0eVRpdGxlIjoiVGluIHRcdTFlZTljIiwiX2VudGl0eVRpdGxlTENGIjoidGluIHRcdTFlZTljIiwiaW1hZ2VTaXplUmF0aW8iOiIyOjMiLCJpbmRleCI6MywicGF0aCI6IkNvbnRlbnQifQ==’)),{“module”:”Content.Listing”,”page”:”Article.News.detail”,”id”:”29″,”modulePosition”:”10″,”moduleParentId”:”25″}),{ itemsPerPage: “6”, pageNo: 1, totalItems: 849, orderBy: “totalViews DESC”, filters: [], });
;
$(‘#module32 select’).change(function(){ VHV.redirect($(this).val()); });
;
$(‘#form2’).submit(function(){ var page = “Product.list”; var keyword = $(‘#form2 input[fixedName=keyword2]’).val(); if(keyword!=”Tìm kiếm”) { window.location = ‘/?page=’+page+’&site=55750&keyword=’+keyword; }
return false; });
//Class PositionInside
var PositionInside = function() {};
PositionInside.prototype.element = null; PositionInside.prototype.position = null; PositionInside.prototype.goInside = function() { var rect = this.element.getBoundingClientRect(); var windowWidth = $(window).width(); if (rect.right > windowWidth) { this.position = “right”; var a = rect.right – windowWidth; var b = rect.left; if (b >= a) { this.element.style.left = -a + “px”; }
} else if (rect.left < 0) {
this.position = “left”; var a = – rect.left; var b = windowWidth – rect.right; if (b >= a) { this.element.style.left = “auto”; this.element.style.right = -a + “px”; }
}
};
//Class Paralax
var Parallax = function() {};
Parallax.prototype.speed = 0; Parallax.prototype.layer = null; Parallax.prototype.addEffect = function() { if (this.layer != null || typeof this.layer != undefined) { var clientRect = this.layer.getBoundingClientRect(); if (clientRect.top < window.innerHeight && clientRect.bottom > 0) { if (this.isBackgroundParallax) { this.layer.style.backgroundPosition = “center ” + clientRect.top * this.speed + “px”; }
}
}
}
/*
document.addEventListener(“scroll”, function() { var parallaxEles = document.querySelectorAll(“”); var parallax = new Parallax(); parallax.speed = -0.7; for (var i = 0; i < parallaxEles.length; i++) { parallax.layer = parallaxEles[i]; parallax.addEffect(); }
});
*/
document.addEventListener(“DOMContentLoaded”, function() { var dropdown = document.querySelectorAll(“#menu2 .dropdown”); for (i = 0; i < dropdown.length; i++) { dropdown[i].addEventListener(“mouseover”, function(e) { var positionInside = new PositionInside(); positionInside.element = e.currentTarget.querySelector(“.dropdown-menu”); positionInside.goInside(); });
}
});

function getCssVariableAsRgba(variableName, alpha = 1) {
let hex = getComputedStyle(document.documentElement).getPropertyValue(variableName).trim();
if (!hex || !hex.startsWith(“#”) || (hex.length !== 4 && hex.length !== 7)) {
console.error(“Giá trị màu không hợp lệ:”, hex);
return null;
}
let r, g, b;
if (hex.length === 4) {
r = parseInt(hex[1] + hex[1], 16);
g = parseInt(hex[2] + hex[2], 16);
b = parseInt(hex[3] + hex[3], 16);
} else {
r = parseInt(hex.slice(1, 3), 16);
g = parseInt(hex.slice(3, 5), 16);
b = parseInt(hex.slice(5, 7), 16);
}
return ‘rgba(‘+r+’,’+g+’,’+b+’, ‘+alpha+’)’;
}
function setCssVariable(variableName, value) {
document.documentElement.style.setProperty(variableName, value);
}
setCssVariable(“–brand-primary-10”,getCssVariableAsRgba(“–brand-primary”, .1));
setCssVariable(“–brand-primary-15”,getCssVariableAsRgba(“–brand-primary”, .15));
setCssVariable(“–brand-primary-20”,getCssVariableAsRgba(“–brand-primary”, .2));
setCssVariable(“–brand-primary-30”,getCssVariableAsRgba(“–brand-primary”, .3));
setCssVariable(“–brand-primary-35”,getCssVariableAsRgba(“–brand-primary”, .35));
$(‘.btn-action-primary, .btn-action-info, .excel-action, .btn-default’).addClass(‘btn-secondary text-medium’);

.article-content video {

max-width: 100%;

}

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