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HTML Entity

 Ref: codeproject.com/Articles/751805/Beginners-guide-to-HTML         freeformatter.com/html-entities.html   Do tags and attributes all have to be in lowercase letters? Thing is, HTML5 is flexible and you can chose to write your tags and attributes however way you want. <Head> , <head> , <HEAD> and <hEAd> are all the same, likewise Class , class and CLASS but the usual convention is to write your tags and attributes in lowercase letters. Do I have to use double quotes to enclose attribute values? You can use either. Single ' and " are valid. In fact, HTML5 allows you to completely ignore quotes when writing attribute values that do not have spaces. How do I write <> without the browser thinking it's an HTML tag? An article like this one has be showing you different tags without the browser thinking they are tags, right? If you have to write angle brackets or any other character not on...
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copy text in vuejs and javascript

Reference: https://stackoverflow.com/questions/400212/how-do-i-copy-to-the-clipboard-in-javascript https://www.w3schools.com/howto/howto_js_copy_clipboard.asp https://hackernoon.com/copying-text-to-clipboard-with-javascript-df4d4988697f copyAddress () {        if  (! navigator . clipboard ) {          var   copyText  =  document . getElementById ( 'Address' )          copyText . focus ();          copyText . select ()          copyText . setSelectionRange ( 0 ,  99999 )          // document.execCommand('copy')          try  {            var   successful  =  document . execCommand ( 'copy' ) ...
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Inside Ethereum Transactions -

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#3 · Inside Ethereum Transactions source :  https://www.dappuniversity.com/articles/web3-js-intro This is the third video in the 8-part tutorial series. This video will show you how to create transactions on The Ethereum Blockchain with Web3.js. This lesson will go from beginner to slightly advanced. I'll show you what happens when an Etherum transaction is created, and I'll show you how to broadcast a transaction manually to the network with Web3.js. In addition to learning Web3.js, the purpose of this lesson is to help you understand the fundamentals about how transactions work on The Ethereum Blockchain. Whenever you create a transaction, you're writing data to the blockchain and updating its state. There are several ways to do this, like sending Ether from one account to another, calling a smart contract function that writes data, and deploying a smart contract to the blockchain. We can get a greater understanding of these concepts by performing these actions w...
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