JavaScript语句 - 蓝桥云课

LOU479149516 L16 2020-06-18 15:14:55 JavaScript语句

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“Web开发基础”实验报告

<!DOCTYPE html>
<html>
<body>

<script>
    
    var a, b, c;     // Declare 3 variables
    a = 5;           // Assign the value 5 to a
    b = 6;           // Assign the value 6 to b
    c = a + b;   
    document.write(c+"</br>");
</script>

</body>
</html>
copy

图片描述

<!DOCTYPE html>
<html>
<body>
<p id="demo"></p>
<script>
    
   
    document.getElementById("demo").innerHTML =
"Hello Dolly!";
</script>

</body>
</html>
copy

图片描述

<!DOCTYPE html>
<html>
<body>
<p id="demo1"></p>
<p id="demo2"></p>
<script>
    
   function myFunction() {
  document.getElementById("demo1").innerHTML = "Hello Dolly!";
  document.getElementById("demo2").innerHTML = "How are you?";
   } 
 myFunction();

</script>

</body>
</html>
copy

图片描述