Petróczi Zoltán ca49f96b78 LibJS Date: Added "Invalid Date". ...

Setting an invalid value on a Date object now makes it invalid.
Setting it again but with correct values makes it valid again.

2021-03-22 20:58:22 +01:00

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Date.js

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Date.now.js

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Date.parse.js

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Date.prototype.getDate.js

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Date.prototype.getDay.js

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Date.prototype.getFullYear.js

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Date.prototype.getHours.js

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Date.prototype.getMilliseconds.js

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Date.prototype.getMinutes.js

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Date.prototype.getMonth.js

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Date.prototype.getSeconds.js

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Date.prototype.getTime.js

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Date.prototype.getUTCDate.js

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Date.prototype.getUTCDay.js

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Date.prototype.getUTCFullYear.js

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Date.prototype.getUTCHours.js

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Date.prototype.getUTCMilliseconds.js

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Date.prototype.getUTCMinutes.js

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Date.prototype.getUTCMonth.js

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Date.prototype.getUTCSeconds.js

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Date.prototype.setFullYear.js

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Date.prototype.setHours.js

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Date.prototype.setMilliseconds.js

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Date.prototype.setMinutes.js

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Date.prototype.setSeconds.js

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Date.prototype.toISOString.js

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Date.UTC.js

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