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shikelong/question1_variable_scope.js

Created July 3, 2020 14:16
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Javascript Language Issues
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question1_variable_scope.js
'use strict';
var i;
for(let i = 0; i< 1; i++){
//let i = 12;
//var i = 13;
//i = 20;
}
//以上写法有几种会报错。原因是为什么？
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