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getParameters randomHexColor isTabActive elementIsInFocus judgeDeviceType copyText getSelectedText rgbToHex toCamel smoothScroll

Type

getTypeOf isEmpty isNumber isString isObject isNull isArray isUndefined isTrue isElement

String

Number

sum fahrenheitToCelsius celsiusToFahrenheit average

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uniqueArr shuffle

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sum 函数

函数求和,函数参数可以是任意多个，但必须是整数

js


sum(1, 2)
sum(1, 2, 3)

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