How to check input is correct or incorrect antlr4 javascript?

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Nov 17, 2015, 11:01:50 AM11/17/15

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If input is incorrect, we can check this status with

`if(parser.NumberOfSyntaxErrors > 0) ...`

in C# target.

But javascript target has no like NumberOfSyntaxErrors properties. So, how we can check given input is correct or incorrect in javascript?

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Nov 17, 2015, 6:09:53 PM11/17/15

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Hi,

you need to add an error listener.

Eric

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