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  1. <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script>function myFunction(){var x;var name=prompt("Please enter your name","Harry Potter"); if (name!=null) { x="Hello " + name + "! How are you today?"; document.getElementById("demo").innerHTML=x; }}</script> i am new to javascript and refering w3schools.when execute the above codeif i am enter any name is the prompt box, it is coming correctly.eg. if I give a name 'Tom' in the prompt box, it will get' Hello Tom ! How are you today? 'But if i did'nt type any thing, or if i make it is empty, i am getting' Hello ! How are you today? 'Can i bring a word 'Stranger' in between 'Hello" and "How are you today?"if the promptbox made empty:eg.' Hello Stranger How are you today?'
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