web3.js手册

web3
web3.isConnected web3.setProvider web3.currentProvider web3.reset web3.sha3 web3.toHex web3.toAscii web3.fromAscii web3.toDecimal web3.fromDecimal web3.fromWei web3.toWei web3.toBigNumber web3.isAddress
web3.version
web3.version.api web3.version.node web3.version.network web3.version.ethereum web3.version.whisper
web3.net
web3.net.listening web3.net.peerCount
web3.shh
web3.shh.post web3.shh.newIdentity web3.shh.hasIdentity web3.shh.newGroup web3.shh.addGroup web3.shh.filter
web3.db
web3.db.putString web3.db.getString web3.db.putHex web3.db.getHex
web3.eth
web3.eth.defaultAccount web3.eth.defaultBlock web3.eth.syncing web3.eth.isSyncing web3.eth.coinbase web3.eth.hashrate web3.eth.gasPrice web3.eth.accounts web3.eth.mining web3.eth.blockNumber web3.eth.register web3.eth.unRegister web3.eth.getBalance web3.eth.getStorageAt web3.eth.getCode web3.eth.getBlock web3.eth.getBlockTransactionCount web3.eth.getUncle web3.eth.getBlockUncleCount web3.eth.getTransaction web3.eth.getTransactionFromBlock web3.eth.getTransactionReceipt web3.eth.getTransactionCount web3.eth.sendTransaction web3.eth.sendRawTransaction web3.eth.sign web3.eth.call web3.eth.estimateGas web3.eth.filter web3.eth.Contract web3.eth.namereg
iban
web3.eth.sendIBANTransaction web3.eth.iban web3.eth.iban.fromAddress web3.eth.iban.fromBban web3.eth.iban.createIndirect web3.eth.iban.isValid web3.eth.iban.isDirect web3.eth.iban.isIndirect web3.eth.iban.checksun web3.eth.iban.institution web3.eth.iban.client web3.eth.iban.address web3.eth.iban.toString
compiler
web3.eth.getCompilers web3.eth.compile.solidity web3.eth.compile.lll web3.eth.compile.serpent

web3.isAddress

检查给定的字符串是否是有效的以太坊地址。

用法:

web3.isAddress(HexString);

参数:

  • HexString:String,16进制字符串

返回值:

  • Boolean - 无效的地址返回false。对于全小写或全大写的有效地址字符串返回true。对于大小写混合的字符串, 该函数使用web3.isChecksumAddress()进行检查。

示例:

var isAddress = web3.isAddress("0x8888f1f195afa192cfee860698584c030f4c9db1");
console.log(isAddress); // true