前言
JavaScript 1. type 类型判断
if (isFF) return "FF";
if (isOpera) return "Opera";
if (isEdge) return "Edge";
if (isSafari) return "Safari";
if (isChrome) return "Chrome";
}
checkStr (str,type) {
switch (type) {
case 'phone': //手机号码
return /^1[3|4|5|7|8][0-9]{9}$/.test(str);
case 'tel': //座机
return /^(0\d{2,3}-\d{7,8})(-\d{1,4})?$/.test(str);
case 'card': //身份证
return /^\d{15}|\d{18}$/.test(str);
case 'pwd': //密码以字母开头，长度在6~18之间，只能包含字母、数字和下划线
return /^[a-zA-Z]\w{5,17}$/.test(str)
case 'postal': //邮政编码
return /[1-9]\d{5}(?!\d)/.test(str);
case 'QQ': //QQ号
return /^[1-9][0-9]{4,9}$/.test(str);
case 'email': //邮箱
return /^[\w-]+(.[\w-]+)@[\w-]+(.[\w-]+)+$/.test(str);
case 'money': //金额(小数点2位)
return /^\d(?:.\d{0,2})?$/.test(str);
case 'URL': //网址
return /(http|ftp|https):\/\/[\w-]+(.[\w-]+)+([\w-.,@?^=%&:/~+#][\w-\@?^=%&/~+#])?/.test(str)
case 'IP': //IP
return /((?:(?:25[0-5]|2[0-4]\d|[01]?\d?\d)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d?\d))/.test(str);
case 'date': //日期时间
return /^(\d{4})-(\d{2})-(\d{2}) (\d{2})(?:\:\d{2}|:(\d{2}):(\d{2}))$/.test(str) || /^(\d{4})-(\d{2})-(\d{2})$/.test(str)
case 'number': //数字
return /^[0-9]$/.test(str);
case 'english': //英文
return /^[a-zA-Z]+$/.test(str);
case 'chinese': //中文
return /^[\u4E00-\u9FA5]+$/.test(str);
case 'lower': //小写
return /^[a-z]+$/.test(str);
case 'upper': //大写
return /^[A-Z]+$/.test(str);
case 'HTML': //HTML标记
return /<("[^"]"|'[^']'|[^'">])>/.test(str);
default:
return true;
}
}
2. Date
//当月份为二月时，根据闰年还是非闰年判断天数
if (mouth == 2) {
days = year % 4 == 0 ? 29 : 28
} else if (mouth == 1 || mouth == 3 || mouth == 5 || mouth == 7 || mouth == 8 || mouth == 10 || mouth == 12) {
//月份为：1,3,5,7,8,10,12 时，为大月.则天数为31；
days = 31
} else {
//其他月份，天数为：30.
days = 30
}
return days
}
/获取某年有多少天/
getYearOfDay (time) {
var firstDayYear = this.getFirstDayOfYear(time);
var lastDayYear = this.getLastDayOfYear(time);
var numSecond = (new Date(lastDayYear).getTime() - new Date(firstDayYear).getTime())/1000;
return Math.ceil(numSecond/(243600));
}
/获取某年的第一天/
getFirstDayOfYear (time) {
var year = new Date(time).getFullYear();
return year + "-01-01 00:00:00";
}
/获取某年最后一天/
getLastDayOfYear (time) {
var year = new Date(time).getFullYear();
var dateString = year + "-12-01 00:00:00";
var endDay = this.getMonthOfDay(dateString);
return year + "-12-" + endDay + " 23:59:59";
}
/获取某个日期是当年中的第几天/
getDayOfYear (time) {
var firstDayYear = this.getFirstDayOfYear(time);
var numSecond = (new Date(time).getTime() - new Date(firstDayYear).getTime())/1000;
return Math.ceil(numSecond/(243600));
}
/获取某个日期在这一年的第几周/
getDayOfYearWeek (time) {
var numdays = this.getDayOfYear(time);
return Math.ceil(numdays / 7);
}
3. Array
/去重/
unique (arr) {
if ( Array.hasOwnProperty('from') ) {
return Array.from(new Set(arr));
}else{
var n = {},r=[];
for(var i = 0; i < arr.length; i++){
if (!n[arr[i]]){
n[arr[i]] = true;
r.push(arr[i]);
}
}
return r;
}
}
/求两个集合的并集/
union (a,b) {
var newArr = a.concat(b);
return this.unique(newArr);
}
/求两个集合的交集/
intersect (a,b) {
var _this = this;
a = this.unique(a);
return this.map(a,function(o) {
return _this.contains(b,o) ? o : null;
});
}
/删除其中一个元素/
remove (arr,ele) {
var index = arr.indexOf(ele);
if(index > -1) {
arr.splice(index,1);
}
return arr;
}
/将类数组转换为数组的方法/
formArray (ary) {
var arr = [];
if(Array.isArray(ary)) {
arr = ary;
} else {
arr = Array.prototype.slice.call(ary);
};
return arr;
}
/最大值/
max (arr) {
return Math.max.apply(null,arr);
}
/最小值/
min (arr) {
return Math.min.apply(null,arr);
}
/求和/
sum (arr) {
return arr.reduce( (pre,cur) => {
return pre + cur
})
}
/平均值/
average (arr) {
return this.sum(arr)/arr.length
}
4. String 字符串操作
/**
-
@param {str}
-
@param {type}
-
type: 1:首字母大写 2：首页母小写 3：大小写转换 4：全部大写 5：全部小写
-
@return {String}
*/
changeCase (str,type) {
type = type || 4
switch (type) {
case 1:
return str.replace(/\b\w+\b/g,function (word) {
return word.substring(0,1).toUpperCase() + word.substring(1).toLowerCase();});
case 2:
return str.replace(/\b\w+\b/g,1).toLowerCase() + word.substring(1).toUpperCase();
});
case 3:
return str.split('').map( function(word){
if (/[a-z]/.test(word)) {
return word.toUpperCase();
}else{
return word.toLowerCase()
}
}).join('')
case 4:
return str.toUpperCase();
case 5:
return str.toLowerCase();
default:
return str;
}
}
/
检测密码强度
/
checkPwd (str) {
var Lv = 0;
if (str.length < 6) {
return Lv
}
if (/[0-9]/.test(str)) {
Lv++
}
if (/[a-z]/.test(str)) {
Lv++
}
if (/[A-Z]/.test(str)) {
Lv++
}
if (/[.|-|_]/.test(str)) {
Lv++
}
return Lv;
}
/过滤HTML代码(把<>转换)/
filterTag (str) {
str = str.replace(/&/ig,"&");
str = str.replace(/</ig,"<");
str = str.replace(/>/ig,">");
str = str.replace(" ","");
return str;
}
5. Number
/将阿拉伯数字翻译成中文的大写数字/
numberToChinese (num) {
var AA = new Array("零","一","二","三","四","五","六","七","八","九","十");
var BB = new Array("","十","百","仟","萬","億","点","");
var a = ("" + num).replace(/(^0*)/g,"").split("."),k = 0,re = "";
for(var i = a[0].length - 1; i >= 0; i--) {
switch(k) {
case 0:
re = BB[7] + re;
break;
case 4:
if(!new RegExp("0{4}//d{" + (a[0].length - i - 1) + "}$")
.test(a[0]))
re = BB[4] + re;
break;
case 8:
re = BB[5] + re;
BB[7] = BB[5];
k = 0;
break;
}
if(k % 4 == 2 && a[0].charAt(i + 2) != 0 && a[0].charAt(i + 1) == 0)
re = AA[0] + re;
if(a[0].charAt(i) != 0)
re = AA[a[0].charAt(i)] + BB[k % 4] + re;
k++;
}
if(a.length > 1) // 加上小数部分(如果有小数部分)
{
re += BB[6];
for(var i = 0; i < a[1].length; i++)
re += AA[a[1].charAt(i)];
}
if(re == '一十')
re = "十";
if(re.match(/^一/) && re.length == 3)
re = re.replace("一","");
return re;
}
/将数字转换为大写金额/
changeToChinese (Num) {
//判断如果传递进来的不是字符的话转换为字符
if(typeof Num == "number") {
Num = new String(Num);
};
Num = Num.replace(/,/g,"") //替换tomoney()中的“,”
Num = Num.replace(/ /g,"") //替换tomoney()中的空格
Num = Num.replace(/￥/g,"") //替换掉可能出现的￥字符
if(isNaN(Num)) { //验证输入的字符是否为数字
//alert("请检查小写金额是否正确");
return "";
};
//字符处理完毕后开始转换，采用前后两部分分别转换
var part = String(Num).split(".");
var newchar = "";
//小数点前进行转化
for(var i = part[0].length - 1; i >= 0; i--) {
if(part[0].length > 10) {
return "";
//若数量超过拾亿单位，提示
}
var tmpnewchar = ""
var perchar = part[0].charAt(i);
switch(perchar) {
case "0":
tmpnewchar = "零" + tmpnewchar;
break;
case "1":
tmpnewchar = "壹" + tmpnewchar;
break;
case "2":
tmpnewchar = "贰" + tmpnewchar;
break;
case "3":
tmpnewchar = "叁" + tmpnewchar;
break;
case "4":
tmpnewchar = "肆" + tmpnewchar;
break;
case "5":
tmpnewchar = "伍" + tmpnewchar;
break;
case "6":
tmpnewchar = "陆" + tmpnewchar;
break;
case "7":
tmpnewchar = "柒" + tmpnewchar;
break;
case "8":
tmpnewchar = "捌" + tmpnewchar;
break;
case "9":
tmpnewchar = "玖" + tmpnewchar;
break;
}
switch(part[0].length - i - 1) {
case 0:
tmpnewchar = tmpnewchar + "元";
break;
case 1:
if(perchar != 0) tmpnewchar = tmpnewchar + "拾";
break;
case 2:
if(perchar != 0) tmpnewchar = tmpnewchar + "佰";
break;
case 3:
if(perchar != 0) tmpnewchar = tmpnewchar + "仟";
break;
case 4:
tmpnewchar = tmpnewchar + "万";
break;
case 5:
if(perchar != 0) tmpnewchar = tmpnewchar + "拾";
break;
case 6:
if(perchar != 0) tmpnewchar = tmpnewchar + "佰";
break;
case 7:
if(perchar != 0) tmpnewchar = tmpnewchar + "仟";
break;
case 8:
tmpnewchar = tmpnewchar + "亿";
break;
case 9:
tmpnewchar = tmpnewchar + "拾";
break;
}
var newchar = tmpnewchar + newchar;
}
//小数点之后进行转化
if(Num.indexOf(".") != -1) {
if(part[1].length > 2) {
// alert("小数点之后只能保留两位,系统将自动截断");
part[1] = part[1].substr(0,2)
}
for(i = 0; i < part[1].length; i++) {
tmpnewchar = ""
perchar = part[1].charAt(i)
switch(perchar) {
case "0":
tmpnewchar = "零" + tmpnewchar;
break;
case "1":
tmpnewchar = "壹" + tmpnewchar;
break;
case "2":
tmpnewchar = "贰" + tmpnewchar;
break;
case "3":
tmpnewchar = "叁" + tmpnewchar;
break;
case "4":
tmpnewchar = "肆" + tmpnewchar;
break;
case "5":
tmpnewchar = "伍" + tmpnewchar;
break;
case "6":
tmpnewchar = "陆" + tmpnewchar;
break;
case "7":
tmpnewchar = "柒" + tmpnewchar;
break;
case "8":
tmpnewchar = "捌" + tmpnewchar;
break;
case "9":
tmpnewchar = "玖" + tmpnewchar;
break;
}
if(i == 0) tmpnewchar = tmpnewchar + "角";
if(i == 1) tmpnewchar = tmpnewchar + "分";
newchar = newchar + tmpnewchar;
}
}
//替换所有无用汉字
while(newchar.search("零零") != -1)
newchar = newchar.replace("零零","零");
newchar = newchar.replace("零亿","亿");
newchar = newchar.replace("亿万","亿");
newchar = newchar.replace("零万","万");
newchar = newchar.replace("零元","元");
newchar = newchar.replace("零角","");
newchar = newchar.replace("零分","");
if(newchar.charAt(newchar.length - 1) == "元") {
newchar = newchar + "整"
}
return newchar;
}
6. Http
function params_format (obj) {
var str = ''
for (var i in obj) {
str += i + '=' + obj[i] + '&'
}
return str.split('').slice(0,-1).join('')
}
// 创建ajax对象
var xhr=new XMLHttpRequest();
// 连接服务器open(方法GET/POST，请求地址， 异步传输)
if(opts.method == 'GET'){
xhr.open(opts.method,opts.url + "?" + params_format(opts.data),opts.async);
xhr.send();
}else{
xhr.open(opts.method,opts.url,opts.async);
xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
xhr.send(opts.data);
}
/*
每当readyState改变时，就会触发onreadystatechange事件
readyState属性存储有XMLHttpRequest的状态信息
0 ：请求未初始化
1 ：服务器连接已建立
2 ：请求已接受
3 : 请求处理中
* 4 ：请求已完成，且相应就绪
/
xhr.onreadystatechange = function() {
if (xhr.readyState === 4 && (xhr.status === 200 || xhr.status === 304)) {
switch(opts.dataType){
case "json":
var json = JSON.parse(xhr.responseText);
opts.success(json);
break;
case "xml":
opts.success(xhr.responseXML);
break;
default:
opts.success(xhr.responseText);
break;
}
}
}
xhr.onerror = function(err) {
opts.error(err);
}
}
/**
- @param {url}
- @param {setting}
- @return {Promise}
*/
fetch(url,setting) {
//设置参数的初始值
let opts={
method: (setting.method || 'GET').toUpperCase(),//请求方式
headers : setting.headers || {},// 请求头设置
credentials : setting.credentials || true,// 设置cookie是否一起发送
body: setting.body || {},mode : setting.mode || 'no-cors',// 可以设置 cors,no-cors,same-origin
redirect : setting.redirect || 'follow',// follow,error,manual
cache : setting.cache || 'default' // 设置 cache 模式 (default,reload,no-cache)
}
let dataType = setting.dataType || "json",// 解析方式
data = setting.data || "" // 参数
// 参数格式化
function params_format (obj) {
var str = ''
for (var i in obj) {
str += ${i}=${obj[i]}&
}
return str.split('').slice(0,-1).join('')
}
if (opts.method === 'GET') {
url = url + (data??${params_format(data)}:'')
}else{
setting.body = data || {}
}
return new Promise( (resolve,reject) => {
fetch(url,opts).then( async res => {
let data = dataType === 'text' ? await res.text() :
dataType === 'blob' ? await res.blob() : await res.json()
resolve(data)
}).catch( e => {
reject(e)
})
})
}
7. DOM
if (document.querySelecotorAll) return document.querySelectorAll(selector)
return document.getElementsByClassName(selector.substring(1))
}else{
return document'querySelectorAll' ? 'querySelectorAll':'getElementsByTagName'
}
}
/检测类名/
hasClass (ele,name) {
return ele.className.match(new RegExp('(\s|^)' + name + '(\s|$)'));
}
/添加类名/
addClass (ele,name) {
if (!this.hasClass(ele,name)) ele.className += " " + name;
}
/删除类名/
removeClass (ele,name) {
if (this.hasClass(ele,name)) {
var reg = new RegExp('(\s|^)' + name + '(\s|$)');
ele.className = ele.className.replace(reg,'');
}
}
/替换类名/
replaceClass (ele,newName,oldName) {
this.removeClass(ele,oldName);
this.addClass(ele,newName);
}
/获取兄弟节点/
siblings (ele) {
console.log(ele.parentNode)
var chid = ele.parentNode.children,eleMatch = [];
for(var i = 0,len = chid.length; i < len; i ++){
if(chid[i] != ele){
eleMatch.push(chid[i]);
}
}
return eleMatch;
}
/获取行间样式属性/
getByStyle (obj,name){
if(obj.currentStyle){
return obj.currentStyle[name];
}else{
return getComputedStyle(obj,false)[name];
}
}
8. Storage 储存操作
/设置cookie/
setCookie (name,value,day) {
var setting = arguments[0];
if (Object.prototype.toString.call(setting).slice(8,-1) === 'Object'){
for (var i in setting) {
var oDate = new Date();
oDate.setDate(oDate.getDate() + day);
document.cookie = i + '=' + setting[i] + ';expires=' + oDate;
}
}else{
var oDate = new Date();
oDate.setDate(oDate.getDate() + day);
document.cookie = name + '=' + value + ';expires=' + oDate;
}
}
/获取cookie/
getCookie (name) {
var arr = document.cookie.split('; ');
for (var i = 0; i < arr.length; i++) {
var arr2 = arr[i].split('=');
if (arr2[0] == name) {
return arr2[1];
}
}
return '';
}
/删除cookie/
removeCookie (name) {
this.setCookie(name,1,-1);
}
/-----------------localStorage---------------------/
/设置localStorage/
setLocal(key,val) {
var setting = arguments[0];
if (Object.prototype.toString.call(setting).slice(8,-1) === 'Object'){
for(var i in setting){
this.ls.setItem(i,JSON.stringify(setting[i]))
}
}else{
this.ls.setItem(key,JSON.stringify(val))
}
}
/获取localStorage/
getLocal(key) {
if (key) return JSON.parse(this.ls.getItem(key))
return null;
}
/移除localStorage/
removeLocal(key) {
this.ls.removeItem(key)
}
/移除所有localStorage/
clearLocal() {
this.ls.clear()
}
/-----------------sessionStorage---------------------/
/设置sessionStorage/
setSession(key,-1) === 'Object'){
for(var i in setting){
this.ss.setItem(i,JSON.stringify(setting[i]))
}
}else{
this.ss.setItem(key,JSON.stringify(val))
}
}
/获取sessionStorage/
getSession(key) {
if (key) return JSON.parse(this.ss.getItem(key))
return null;
}
/移除sessionStorage/
removeSession(key) {
this.ss.removeItem(key)
}
/移除所有sessionStorage/
clearSession() {
this.ss.clear()
}
}
9. Other 其它操作
/获取全部url参数,并转换成json对象/
getUrlAllParams (url) {
var url = url ? url : window.location.href;
var _pa = url.substring(url.indexOf('?') + 1),_arrS = _pa.split('&'),_rs = {};
for (var i = 0,_len = _arrS.length; i < _len; i++) {
var pos = _arrS[i].indexOf('=');
if (pos == -1) {
continue;
}
var name = _arrS[i].substring(0,pos),value = window.decodeURIComponent(_arrS[i].substring(pos + 1));
_rs[name] = value;
}
return _rs;
}
/删除url指定参数，返回url/
delParamsUrl(url,name){
var baseUrl = url.split('?')[0] + '?';
var query = url.split('?')[1];
if (query.indexOf(name)>-1) {
var obj = {}
var arr = query.split("&");
for (var i = 0; i < arr.length; i++) {
arr[i] = arr[i].split("=");
obj[arr[i][0]] = arr[i][1];
};
delete obj[name];
var url = baseUrl + JSON.stringify(obj).replace(/[\"{}]/g,"").replace(/\:/g,"=").replace(/\,"&");
return url
}else{
return url;
}
}
/获取十六进制随机颜色/
getRandomColor () {
return '#' + (function(h) {
return new Array(7 - h.length).join("0") + h;
})((Math.random() * 0x1000000 << 0).toString(16));
}
/图片加载/
imgLoadAll(arr,callback){
var arrImg = [];
for (var i = 0; i < arr.length; i++) {
var img = new Image();
img.src = arr[i];
img.onload = function(){
arrImg.push(this);
if (arrImg.length == arr.length) {
callback && callback();
}
}
}
}
/音频加载/
loadAudio(src,callback) {
var audio = new Audio(src);
audio.onloadedmetadata = callback;
audio.src = src;
}
/DOM转字符串/
domToStirng(htmlDOM){
var div= document.createElement("div");
div.appendChild(htmlDOM);
return div.innerHTML
}
/字符串转DOM/
stringToDom(htmlString){
var div= document.createElement("div");
div.innerHTML=htmlString;
return div.children[0];
}
/**
- 光标所在位置插入字符，并设置光标位置
- @param {dom} 输入框
- @param {val} 插入的值
- @param {posLen} 光标位置处在 插入的值的哪个位置
*/
setCursorPosition (dom,val,posLen) {
var cursorPosition = 0;
if(dom.selectionStart){
cursorPosition = dom.selectionStart;
}
this.insertAtCursor(dom,val);
dom.focus();
console.log(posLen)
dom.setSelectionRange(dom.value.length,cursorPosition + (posLen || val.length));
}
/光标所在位置插入字符/
insertAtCursor(dom,val) {
if (document.selection){
dom.focus();
sel = document.selection.createRange();
sel.text = val;
sel.select();
}else if (dom.selectionStart || dom.selectionStart == '0'){
let startPos = dom.selectionStart;
let endPos = dom.selectionEnd;
let restoreTop = dom.scrollTop;
dom.value = dom.value.substring(0,startPos) + val + dom.value.substring(endPos,dom.value.length);
if (restoreTop > 0){
dom.scrollTop = restoreTop;
}
dom.focus();
dom.selectionStart = startPos + val.length;
dom.selectionEnd = startPos + val.length;
} else {
dom.value += val;
dom.focus();
}
}
CSS 1. pc-reset PC样式初始化
line-height: 1.15;
/ 1 /
-ms-text-size-adjust: 100%;
/ 2 /
-webkit-text-size-adjust: 100%;
/ 2 /
}
body {
margin: 0;
}
article,aside,footer,header,nav,section {
display: block;
}
h1 {
font-size: 2em;
margin: 0.67em 0;
}
figcaption,figure,main {
/ 1 /
display: block;
}
figure {
margin: 1em 40px;
}
hr {
Box-sizing: content-Box;
/ 1 /
height: 0;
/ 1 /
overflow: visible;
/ 2 /
}
pre {
font-family: monospace,monospace;
/ 1 /
font-size: 1em;
/ 2 /
}
a {
background-color: transparent;
/ 1 /
-webkit-text-decoration-skip: objects;
/ 2 /
}
abbr[title] {
border-bottom: none;
/ 1 /
text-decoration: underline;
/ 2 /
text-decoration: underline dotted;
/ 2 /
}
b,h3 {
font-weight: inherit;
}
b,h3 {
font-weight: bolder;
}
code,kbd,samp {
font-family: monospace,monospace;
/ 1 /
font-size: 1em;
/ 2 /
}
dfn {
font-style: italic;
}
mark {
background-color: #ff0;
color: #000;
}
small {
font-size: 80%;
}
sub,sup {
font-size: 75%;
line-height: 0;
position: relative;
vertical-align: baseline;
}
sub {
bottom: -0.25em;
}
sup {
top: -0.5em;
}
audio,video {
display: inline-block;
}
audio:not([controls]) {
display: none;
height: 0;
}
img {
border-style: none;
}
svg:not(:root) {
overflow: hidden;
}
button,input,optgroup,select,textarea {
font-family: sans-serif;
/ 1 /
font-size: 100%;
/ 1 /
line-height: 1.15;
/ 1 /
margin: 0;
/ 2 /
}
button,input {
/ 1 /
overflow: visible;
}
button,select {
/ 1 /
text-transform: none;
}
button,html [type="button"],/ 1 /
[type="reset"],[type="submit"] {
-webkit-appearance: button;
/ 2 /
}
button::-moz-focus-inner,[type="button"]::-moz-focus-inner,[type="reset"]::-moz-focus-inner,[type="submit"]::-moz-focus-inner {
border-style: none;
padding: 0;
}
button:-moz-focusring,[type="button"]:-moz-focusring,[type="reset"]:-moz-focusring,[type="submit"]:-moz-focusring {
outline: 1px dotted ButtonText;
}
fieldset {
padding: 0.35em 0.75em 0.625em;
}
legend {
Box-sizing: border-Box;
/ 1 /
color: inherit;
/ 2 /
display: table;
/ 1 /
max-width: 100%;
/ 1 /
padding: 0;
/ 3 /
white-space: normal;
/ 1 /
}
progress {
display: inline-block;
/ 1 /
vertical-align: baseline;
/ 2 /
}
textarea {
overflow: auto;
}
[type="checkBox"],[type="radio"] {
Box-sizing: border-Box;
/ 1 /
padding: 0;
/ 2 /
}
[type="number"]::-webkit-inner-spin-button,[type="number"]::-webkit-outer-spin-button {
height: auto;
}
[type="search"] {
-webkit-appearance: textfield;
/ 1 /
outline-offset: -2px;
/ 2 /
}
[type="search"]::-webkit-search-cancel-button,[type="search"]::-webkit-search-decoration {
-webkit-appearance: none;
}
::-webkit-file-upload-button {
-webkit-appearance: button;
/ 1 /
font: inherit;
/ 2 /
}
details,/ 1 /
menu {
display: block;
}
summary {
display: list-item;
}
canvas {
display: inline-block;
}
template {
display: none;
}
[hidden] {
display: none;
}
/ reset /
html,body,h1,h2,h3,h4,h5,h6,div,dl,dt,dd,ul,ol,li,p,blockquote,pre,hr,table,caption,th,td,form,fieldset,legend,button,textarea,menu {
margin: 0;
padding: 0;
Box-sizing: border-Box;
}
2. Phone-reset
line-height: 1.15;
/ 1 /
-ms-text-size-adjust: 100%;
/ 2 /
-webkit-text-size-adjust: 100%;
/ 2 /
}
body {
margin: 0;
}
article,menu {
margin: 0;
padding: 0;
Box-sizing: border-Box;
}
html,body {
/ 禁止选中文本 /
-webkit-user-select: none;
user-select: none;
font: Oswald,'Open Sans',Helvetica,Arial,sans-serif
}
a,img {
-webkit-touch-callout: none;
}
a,input {
-webkit-tap-highlight-color: rgba(0,0);
}
input[type="text"] {
-webkit-appearance: none;
}
3. 公共样式提取
/ 元素类型 /
.db { display: block; }
.dn { display: none; }
.di { display: inline }
.dib {display: inline-block;}
.transparent { opacity: 0 }
/文字排版、颜色/
.f12 { font-size:12px }
.f14 { font-size:14px }
.f16 { font-size:16px }
.f18 { font-size:18px }
.f20 { font-size:20px }
.fb { font-weight:bold }
.fn { font-weight:normal }
.t2 { text-indent:2em }
.red,a.red { color:#cc0031 }
.darkblue,a.darkblue { color:#039 }
.gray,a.gray { color:#878787 }
.lh150 { line-height:150% }
.lh180 { line-height:180% }
.lh200 { line-height:200% }
.unl { text-decoration:underline; }
.no_unl { text-decoration:none; }
.tl { text-align: left; }
.tc { text-align: center; }
.tr { text-align: right; }
.tj { text-align: justify; text-justify: inter-ideograph; }
.wn { / 强制不换行 /
word-wrap:normal;
white-space:nowrap;
}
.wb { / 强制换行 /
white-space:normal;
word-wrap:break-word;
word-break:break-all;
}
.wp { / 保持空白序列/
overflow:hidden;text-align:left;white-space:pre-wrap;word-wrap:break-word;word-break:break-all;
}
.wes { / 多出部分用省略号表示,用于一行 /
overflow:hidden;
word-wrap:normal;
white-space:nowrap;
text-overflow:ellipsis;
}
.wes-2 { / 适用于webkit内核和移动端 /
display: -webkit-Box;
-webkit-Box-orient: vertical;
-webkit-line-clamp: 2;
overflow: hidden;
}
.wes-3 {
display: -webkit-Box;
-webkit-Box-orient: vertical;
-webkit-line-clamp: 3;
overflow: hidden;
}
.wes-4 {
display: -webkit-Box;
-webkit-Box-orient: vertical;
-webkit-line-clamp: 4;
overflow: hidden;
}
/ 溢出样式 /
.ofh { overflow: hidden; }
.ofs {overflow: scroll; }
.ofa {overflow: auto; }
.ofv {overflow: visible; }
/ 定位方式 /
.ps {position: static; }
.pr {position: relative;zoom:1; }
.pa {position: absolute; }
.pf {position: fixed; }
/ 垂直对齐方式 /
.vt {vertical-align: top; }
.vm {vertical-align: middle; }
.vb {vertical-align: bottom; }
/ 鼠标样式 /
.csd {cursor: default; }
.csp {cursor: pointer; }
.csh {cursor: help; }
.csm {cursor: move; }
/ flex布局 /
.df-sb {
display:flex;
align-items: center;
justify-content: space-between;
}
.df-sa {
display:flex;
align-items: center;
justify-content: space-around;
}
/ 垂直居中 /
.df-c {
display: flex;
align-items: center;
justify-content: center;
}
.tb-c {
text-align:center;
display:table-cell;
vertical-align:middle;
}
.ts-c {
position: absolute;
left: 50%; top: 50%;
transform: translate(-50%,-50%);
}
.ts-mc {
position: absolute;
left: 0;right: 0;
bottom: 0; top: 0;
margin: auto;
}
/ 辅助 /
.mask-fixed-wrapper {
width: 100%;
height: 100%;
position: fixed;
left:0;top:0;
background: rgba(0,0.65);
z-index: 999;
}
.bg-cover {
background-size: cover;
background-repeat: no-repeat;
background-position: center center;
}
.bg-cover-all {
background-size: 100% 100%;
background-repeat: no-repeat;
background-position: center center;
}
以上都是经常用到的方法
原文链接：https://www.f2er.com/js/33976.html