14 lines
510 B
JavaScript
14 lines
510 B
JavaScript
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'use strict';
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var $export = require('./_export')
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, toObject = require('./_to-object')
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, toPrimitive = require('./_to-primitive');
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$export($export.P + $export.F * require('./_fails')(function(){
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return new Date(NaN).toJSON() !== null || Date.prototype.toJSON.call({toISOString: function(){ return 1; }}) !== 1;
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}), 'Date', {
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toJSON: function toJSON(key){
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var O = toObject(this)
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, pv = toPrimitive(O);
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return typeof pv == 'number' && !isFinite(pv) ? null : O.toISOString();
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}
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});
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