35 lines
834 B
HTML
35 lines
834 B
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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<script>
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// 函数声明
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function add(x,y){
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// x,y => 形参
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console.log(x+y)
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return //return 语句就是函数的结束语句 他后面的语句一定是不执行的
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console.log("五一过完了")
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}
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// 函数表达式
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var add1=function(x,y){
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console.log(x+y)
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}
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var result=add1(1,2);
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// 1，2 实参
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console.log(result);
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(function(){
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document.write("lijizhixing")
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})();
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</script>
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</head>
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<body>
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</body>
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</html> |