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ACbosong/.js Secret

Created August 10, 2021 10:25
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.js
function printL1(){
let l = 3;
console.log(`printL1:`, l);
}
printL1() // => printL1: 3
try{
console.log(`Global l:`, l); //error
} catch {
console.log(`not find l`);
}
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