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| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
| <title>Closure aur chai</title> | ||
| </head> | ||
| <body style="background-color: #313131;"> | ||
| <button id="orange">Orange</button> | ||
| <button id="green">Green</button> | ||
| </body> | ||
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| <script> | ||
| // function init() { | ||
| // let name = "Mozilla"; | ||
| // function displayName() { | ||
| // console.log(name); | ||
| // } | ||
| // displayName(); | ||
| // } | ||
| // init(); | ||
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| // function outer(){ | ||
| // let username = "hitesh" | ||
| // console.log("OUTER", secret); | ||
| // function inner(){ | ||
| // let secret = "my123" | ||
| // console.log("inner", username); | ||
| // } | ||
| // function innerTwo(){ | ||
| // console.log("innerTwo", username); | ||
| // console.log(secret); | ||
| // } | ||
| // inner() | ||
| // innerTwo() | ||
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| // } | ||
| // outer() | ||
| // console.log("TOO OUTER", username); | ||
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| // function makeFunc() { | ||
| // const name = "Mozilla"; | ||
| // function displayName() { | ||
| // console.log(name); | ||
| // } | ||
| // return displayName; | ||
| // } | ||
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| // const myFunc = makeFunc(); | ||
| // myFunc(); | ||
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| </script> | ||
| <script> | ||
| // document.getElementById("orange").onclick = function(){ | ||
| // document.body.style.backgroundColor = `orange` | ||
| // } | ||
| // document.getElementById("green").onclick = function(){ | ||
| // document.body.style.backgroundColor = `green` | ||
| // } | ||
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| function clickHandler(color){ | ||
| // document.body.style.backgroundColor = `${color}` | ||
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| return function(){ | ||
| document.body.style.backgroundColor = `${color}` | ||
| } | ||
| } | ||
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| document.getElementById('orange').onclick = clickHandler("orange") | ||
| document.getElementById('green').onclick = clickHandler("green") | ||
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| </script> | ||
| </html> |