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lines changed Original file line number Diff line number Diff line change @@ -10,7 +10,7 @@ function sayHello(person: string) {
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}
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let user = ' Xcat Liu' ;
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- document . body . innerHTML = sayHello (user );
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+ console . log ( sayHello (user ) );
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```
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然后执行
@@ -26,7 +26,7 @@ function sayHello(person) {
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return ' Hello, ' + person;
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}
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var user = ' Xcat Liu' ;
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- document . body . innerHTML = sayHello (user);
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+ console . log ( sayHello (user) );
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```
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TypeScript 中,使用 ` : ` 指定变量的类型,` : ` 的前后有没有空格都可以。
@@ -45,7 +45,7 @@ function sayHello(person: string) {
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}
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let user = [0 , 1 , 2 ];
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- document . body . innerHTML = sayHello (user );
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+ console . log ( sayHello (user ) );
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```
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编辑器中会提示错误,编译的时候也会出错:
@@ -61,7 +61,7 @@ function sayHello(person) {
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return ' Hello, ' + person;
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}
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var user = [0 , 1 , 2 ];
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- document . body . innerHTML = sayHello (user);
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+ console . log ( sayHello (user) );
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```
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** TypeScript 编译的时候即使报错了,还是会生成编译结果** ,我们仍然可以使用这个编译之后的文件。
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