参考 hasKey()

hasKey()

Returns true if the given key exists in the Dictionary, otherwise returns false.

示例

语法

hasKey(key)

参数

key

Number|String:

that you want to look up

Returns

Boolean: whether that key exists in Dictionary

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相关参考

add

Add the given number to the value currently stored at the given key.

div

Divide the given number with the value currently stored at the given key.

maxKey

Return the highest key currently used in the Dictionary.

maxValue

Return the highest number currently stored in the Dictionary.