本文介绍了Javascript变量问题的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧! 问题描述 您好,我正在进行文字冒险尝试学习javascript,并且我在向页面显示整数值时遇到问题。例如,在波纹管代码中,我想在您键入攻击时显示用户HP。但页面上没有显示任何内容。我做错了什么? <!DOCTYPE html PUBLIC - // W3C // DTD XHTML 1.0 Transitional // ENhttp://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\"> < html xmlns =http://www.w3.org/1999/xhtml> < head> < script src =scripts / jquery.jstype =text / javascript>< / script> < meta http-equiv =Content-输入content =text / html; charset = utf-8/> < title> The Game !!< / title> < / head> < body> < script> var userHP = 500; var hits = Math.floor(Math.random()* 100) - mobHP; $(文件).ready(function(){ $(#compass)。fadeIn(3000); $(#message_begin)。fadeIn(3000); $(#area_main)。fadeIn(3000); $(#command_line)。fadeIn(3000); $(form)。submit(function(){ var input = $(#command_line ).val(); // //帮助 // if(input.indexOf(help)> -1){ if(input ==help){ $(#message_help)。clone()。insertBefore(#placeholder)。 fadeIn(1000); } } // //结束帮助 // else if(input.indexOf(enter)> -1){ if(input ==enter){ $(#message_enter)。clone()。insertBefore(#placeholder)。fadeIn(1000); } } // //结束帮助 // else if(input.indexOf(attack) > -1){ if(input ==attack){ $(#message_attack)。clone()。insertBefore(#placeholder ).fadeIn(1000); }} < / script> < p id =message_attack>< script> userHP< / script>你攻击< / p> < form> < input type =textid = command_linesize =50autofocus =autofocus/> < / form> < script type =text / javascriptsrc =scripts / game.js>< / script> < / body> < / html> Hello, i'm making a text adventure to try to learn javascript and im having problems with displaying integer values to my page. for example in the bellow code i want to display the users HP when you type attack. but nothing shows on the page. what am i doing wrong?<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><script src="scripts/jquery.js" type="text/javascript"></script><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>The Game!!</title></head><body><script>var userHP = 500;var hits = Math.floor(Math.random() * 100) - mobHP;$(document).ready(function() {$("#compass").fadeIn(3000);$("#message_begin").fadeIn(3000);$("#area_main").fadeIn(3000);$("#command_line").fadeIn(3000);$("form").submit(function() {var input = $("#command_line").val();////help//if (input.indexOf("help") > -1) {if (input == "help") {$("#message_help").clone().insertBefore("#placeholder").fadeIn(1000);}}////end help//else if (input.indexOf("enter") > -1) {if (input == "enter") {$("#message_enter").clone().insertBefore("#placeholder").fadeIn(1000);}}////end help//else if (input.indexOf("attack") > -1) {if (input == "attack"){$("#message_attack").clone().insertBefore("#placeholder").fadeIn(1000);}}</script><p id="message_attack"><script>userHP</script>you attack</p><form ><input type="text" id="command_line" size="50" autofocus="autofocus" /></form><script type="text/javascript" src="scripts/game.js"></script></body></html>推荐答案 (document).ready(function(){ (document).ready(function() { (#compass)。fadeIn(3000); ("#compass").fadeIn(3000); (#message_begin)。fadeIn(3000); ("#message_begin").fadeIn(3000); 这篇关于Javascript变量问题的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持! 10-22 03:34