购物网站的设计,html购物网站设计,wordpress 归档页面地址,江门建网站js判断手指的上滑#xff0c;下滑#xff0c;左滑#xff0c;右滑#xff0c;事件监听 和 判断鼠标滚轮向上滚动滑轮向下滚动
pc端 判断鼠标滚轮向上滚动滑轮向下滚动
const scrollFunc (e) { e e || window.event; let wheelDelta e.wheelDelta ? e.wheelDelta…js判断手指的上滑下滑左滑右滑事件监听 和 判断鼠标滚轮向上滚动滑轮向下滚动
pc端 判断鼠标滚轮向上滚动滑轮向下滚动
const scrollFunc (e) { e e || window.event; let wheelDelta e.wheelDelta ? e.wheelDelta : -e.detail * 50; if (wheelDelta 0) { console.log(wheelDelta ‘滑轮向上滚动’); let dom document.querySelector(‘.header-contanier’); dom.style.display ‘flex’;
let dom2 document.querySelector(.navNull);
dom2.style.display block;} if (wheelDelta 0) { console.log(wheelDelta ‘滑轮向下滚动’); let dom document.querySelector(‘.header-contanier’); let dom2 document.querySelector(‘.navNull’); dom.style.display ‘none’; dom2.style.display ‘none’; } }; if (document.addEventListener) { //火狐使用DOMMouseScroll绑定 document.addEventListener(‘DOMMouseScroll’, scrollFunc, false); } //其他浏览器直接绑定滚动事件 window.onmousewheel document.onmousewheel scrollFunc; //IE/Opera/Chrome
移动端 js判断手指的上滑下滑左滑右滑事件监听
// touchstart: //手指放到屏幕上时触发 // touchmove: //手指在屏幕上滑动式触发 // touchend: //手指离开屏幕时触发 // touchcancel: //系统取消touch事件的时候触发这个好像比较少用 let startX: number 0; let startY: number 0; document.addEventListener( ‘touchstart’, (e) { e.preventDefault(); // console.log(e); startX e.changedTouches[0].pageX; startY e.changedTouches[0].pageY; }, false, ); // document.addEventListener( // ‘touchend’, // (e) { // e.preventDefault(); // console.log(e); // }, // false, // ); document.addEventListener( ‘touchmove’, (e) { // e.preventDefault(); let moveEndX e.changedTouches[0].pageX; let moveEndY e.changedTouches[0].pageY; let X moveEndX - startX; let Y moveEndY - startY;
if (Math.abs(X) Math.abs(Y) X 0) {console.log(right);
} else if (Math.abs(X) Math.abs(Y) X 0) {console.log(left);
} else if (Math.abs(Y) Math.abs(X) Y 0) {console.log(bottom);
} else if (Math.abs(Y) Math.abs(X) Y 0) {console.log(top);
} else {alert(just touch);
}}, false, );
主要代码块 const scrollFunc (e) {e e || window.event;let wheelDelta e.wheelDelta ? e.wheelDelta : -e.detail * 50;if (wheelDelta 0) {console.log(wheelDelta 滑轮向上滚动);let dom document.querySelector(.header-contanier);dom.style.display flex;let dom2 document.querySelector(.navNull);dom2.style.display block;}if (wheelDelta 0) {console.log(wheelDelta 滑轮向下滚动);let dom document.querySelector(.header-contanier);let dom2 document.querySelector(.navNull);dom.style.display none;dom2.style.display none;}
};
if (document.addEventListener) {//火狐使用DOMMouseScroll绑定document.addEventListener(DOMMouseScroll, scrollFunc, false);
}
//其他浏览器直接绑定滚动事件
window.onmousewheel document.onmousewheel scrollFunc; //IE/Opera/Chrome// touchstart: //手指放到屏幕上时触发
// touchmove: //手指在屏幕上滑动式触发
// touchend: //手指离开屏幕时触发
// touchcancel: //系统取消touch事件的时候触发这个好像比较少用
let startX: number 0;
let startY: number 0;
document.addEventListener(touchstart,(e) {e.preventDefault();// console.log(e);startX e.changedTouches[0].pageX;startY e.changedTouches[0].pageY;},false,
);
// document.addEventListener(
// touchend,
// (e) {
// e.preventDefault();
// console.log(e);
// },
// false,
// );
document.addEventListener(touchmove,(e) {// e.preventDefault();let moveEndX e.changedTouches[0].pageX;let moveEndY e.changedTouches[0].pageY;let X moveEndX - startX;let Y moveEndY - startY;if (Math.abs(X) Math.abs(Y) X 0) {console.log(right);} else if (Math.abs(X) Math.abs(Y) X 0) {console.log(left);} else if (Math.abs(Y) Math.abs(X) Y 0) {console.log(bottom);} else if (Math.abs(Y) Math.abs(X) Y 0) {console.log(top);} else {alert(just touch);}},false,
);
