函数目录
驼峰转css属性 aaaBbb=>‘aaa-bbb’检查某个数据的数据类型浅拷贝判断当前浏览器环境是苹果还是安卓 主要用于移动端hack解决ios keyboard 导致页面不弹起问题
驼峰转css属性 aaaBbb=>‘aaa-bbb’
function humpParse(s
) {
const reg
= /([a-z]+)|([A-Z]{1}[a-z]+)/g;
let r
= s
.match(reg
)
let attr
= ''
r
.forEach((e
,index
)=>{
if(index
===0){
attr
= e
;
}else{
e
= e
.toLowerCase()
attr
= attr
+ '-' + e
;
}
})
return attr
}
检查某个数据的数据类型
输入值输出
123Number‘abcdef’StringtrueBollean[1, 2, 3, 4]Array{name:‘wenzi’, age:25}Objectconsole.log(‘this is function’)FunctionundefinedUndefinednullNullnew Date()Date/[a-z]{5,20}$/RegExpnew Error()Error
const typeOf = function(value
,type
){
let r
= typeof value
if (r
!== 'object') {
if(type
){
return r
.charAt(0).toUpperCase() + r
.slice(1,r
.length
) == type
}else{
return r
.charAt(0).toUpperCase() + r
.slice(1,r
.length
)
}
}else{
if(type
){
return Object
.prototype
.toString
.call(value
).replace(/^\[object (\S+)\]$/, '$1') == type
}else{
return Object
.prototype
.toString
.call(value
).replace(/^\[object (\S+)\]$/, '$1')
}
}
}
export default typeOf
浅拷贝
const copy = function (input
) {
let inputType
= typeOf(input
)
if(inputType
!='Array'||inputType
!='Object'){
throw new Error('expected Array or Object')
}
let s
= JSON.stringify(input
)
return JSON.parse(s
)
}
export default copy
判断当前浏览器环境是苹果还是安卓 主要用于移动端hack
const IosOrAndroid = function(){
if(typeof navigator
== 'undefined'){
throw new Error('Is not currently a browser environment')
}
const u
= navigator
.userAgent
const isAndroid
= u
.indexOf('Android') > -1 || u
.indexOf('Adr') > -1
const isIos
= !!u
.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/)
if(isIos
){
return 'ios'
}
if(isAndroid
){
return 'android'
}
return undefined
}
export default IosOrAndroid
解决ios keyboard 导致页面不弹起问题
const solveIosKeybordBug = function(){
setTimeout(() => {
let height
= document
.documentElement
.scrollTop
|| document
.body
.scrollTop
window
.scrollTo(0, height
+ 1)
window
.scrollTo(0, height
- 1)
}, 17)
}
export default solveIosKeybordBug
