Js-Assist
A modern JavaScript utility library.
Installation
Using npm
$ npm i --save lodash
Methods
- Number Utils
- String Utils
- Array Utils
- Map Utils
- Object Utils
- Color Utils
- Spacial Utils
- Time Utils
- SVG Utils
Number Utils
randNum(min, max)
Generate random number in a certain range.
| para | type | description |
|---|---|---|
| min | number | min value of the given range |
| max | number | max value of the given range |
isNumber(str)
Judge whether a string is number.
| para | type | description |
|---|---|---|
| str | string | given string |
floor(input, num)
Floor to decimal with specific length
| para | type | description |
|---|---|---|
| input | number | input number |
| num | number | Number of decimal places to keep |
round(input, num)
Rounded to decimal with specific length
| para | type | description |
|---|---|---|
| input | number | input number |
| num | number | Number of decimal places to keep |
ceil(input, num)
Ceil to decimal with specific length
| para | type | description |
|---|---|---|
| input | number | input number |
| num | number | Number of decimal places to keep |
String Utils
firstLetterUppercase(str)
Capitalize the first letter of the given string.
| para | type | description |
|---|---|---|
| str | string | input string |
toHyphen(str)
Camel to hyphen.
| para | type | description |
|---|---|---|
| str | string | input string |
Array Utils
shuffle(arr)
Shuffle an array.
| para | type | description |
|---|---|---|
| arr | Array | input array |
randSeries(count)
Generate a series of numbers without repetition.
| para | type | description |
|---|---|---|
| count | number | length of the target array |
removeRept(arr)
Remove repetition in the array.
| para | type | description |
|---|---|---|
| arr | Array | input array |
sameArrays(arr1, arr2)
Judge whether two arrays are identical.
| para | type | description |
|---|---|---|
| arr1 | Array | input array |
| arr2 | Array | input array |
sameSets(set1, set2)
Judge whether two sets are identical.
| para | type | description |
|---|---|---|
| set1 | Set | input set |
| set2 | Set | input set |
isChild(targetArr, inputArr)
Check whether inputArr is an item in targetArr.
| para | type | description |
|---|---|---|
| targetArr | Array | target array |
| inputArr | Array | input array |
arrayContained(arr1, arr2)
Whether arr1 contains arr2.
| para | type | description |
|---|---|---|
| arr1 | Array | input array |
| arr2 | Array | input array |
excludeArray(arr1, arr2)
Remove arr2 from arr1.
| para | type | description |
|---|---|---|
| arr1 | Array | input array |
| arr2 | Array | input array |
containObj(objArr, obj)
Check whether an array contains an object.
| para | type | description |
|---|---|---|
| objArr | Array<{ [key: string]: any }> | input array |
| obj | { [key: string]: any } | input object |
Map Utils
sameMaps(map1, map2)
Check whether two maps are same.
| para | type | description |
|---|---|---|
| map1 | Map | input map |
| map2 | Map | input map |
Object Utils
isEmptyObj(obj)
Check whether an object is empty.
| para | type | description |
|---|---|---|
| obj | any | input object |
deepClone(obj)
Deep clone.
| para | type | description |
|---|---|---|
| obj | any | input object |
getType(var)
Get type of the input variable.
| para | type | description |
|---|---|---|
| var | any | input variable |
Color Utils
hexToRgb(hex)
Hex to rgb.
| para | type | description |
|---|---|---|
| hex | string | color in hex string |
rgbToHex(rgb)
Rgb to hex.
| para | type | description |
|---|---|---|
| rgb | string | color in rgb string |