(function() {
	
		window.addEventListener('resize', () => {
			if (document.activeElement.tagName == 'INPUT') {                      
			window.setTimeout(() => { 
				document.activeElement.scrollIntoViewIfNeeded();            
			}, 100);        
		}
		})
		
				if (typeof WeixinJSBridge == "object" && typeof WeixinJSBridge.invoke == "function") {
					handleFontSize();
				} else {
					if (document.addEventListener) {
						document.addEventListener("WeixinJSBridgeReady", handleFontSize, false);
					} else if (document.attachEvent) {
						document.attachEvent("WeixinJSBridgeReady", handleFontSize);
						document.attachEvent("onWeixinJSBridgeReady", handleFontSize);
					}
				}

				function handleFontSize() {
					/*设置网页字体为默认大小*/
					WeixinJSBridge.invoke('setFontSizeCallback', {
						'fontSize': 0
					});
					/*重写设置网页字体大小的事件*/
					WeixinJSBridge.on('menu:setfont', function() {
						WeixinJSBridge.invoke('setFontSizeCallback', {
							'fontSize': 0
						});
					});
				}
			})();