web3.eth.getBlockTransactionCount

Returns the number of transactions in the specified block.

transfer:

web3.eth.getBlockTransactionCount(hashStringOrBlockNumber [, callback])

 

parameter:

• hashStringBlockNumber: Number|String - (optional) If no parameter is passed, the block defined by web3.eth.defaultBlock is used by default, otherwise the specified block is used.
• callback: Function - callback function, used to support asynchronous execution 7.

return value:

• Nubmer - The number of transactions for a given block.

Example:

var number = web3.eth.getBlockTransactionCount("0x407d73d8a49eeb85d32cf465507dd71d507100c1");
console.log(number); // 1

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