<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p id="demo"></p> <script> x = 5; // 变量 x 设置为 5 elem = document.getElementById("demo"); //Find element elem.innerHTML = x; // display elements in x var x; // declare x </ Script > </ body > </ HTML >
<! DOCTYPE HTML > < HTML > < head > < Meta charset = "UTF-. 8" > < title > novice tutorial (runoob.com) </ title > </ head > < body > < P ID = "Demo" > </ P > < Script > var x; // declare x x = . 5 ; // variable x is set. 5 elem = Document.getElementById("Demo " ); // Find element elem.innerHTML = X; </ Script > </ body > </ HTML >
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p id="demo"></p> <script> var x = 5; // 初始化 x var y = 7;=eleminitialize the y-// document.getElementById ( " Demo " ); // Find element elem.innerHTML = x + " " + Y; // show x and Y </ Script > </ body > </ HTML >
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p id="demo"></p> <script> var x = 5; // 初始化 x elem = document.getElementById("demo"); //Find element elem.innerHTML = " x is: " + x + " , Y is: " + Y; // show x and Y var Y = . 7 ; // initialize Y </ Script > </ body > </ HTML >
