我正在尝试制作一个神奇的八球模拟，但它对我不起作用。 Chrome 中的检查器元素没有显示任何错误，所以我很困惑为什么它不起作用。任何建议将不胜感激。
<!DOCTYPE html>
<html lang="en">
<head>
<title>Project 4: Consistent</title>
<!-- This part is the function to create my magic eight ball that will randomly give a result, but for certain questions,
it will provide the same answer always to fool their minds. -->
<script>
var answerMap = {}
var images = ['eightBallYes.png', 'eightBallNo.png', 'eightBallMillionYears.png', 'eightBallAskLater.png', 'eightBallReally.png'];
//I actually had a little bit of difficulty with this part of the project.
//The answer.search method you showed us in class for some reason is not working for me.
//I worked with the GTF on this part
function eightBall() {
var answer = document.getElementById("answerBox").value;
answer = answer.toLowerCase();
if (answer.search(/[r]/) > 0 ) {
var yes = '../Images/eightBallYes.png'
return yes;
}
if (answer.search(/[m]/) > 0 ) {
var no = '../Images/eightBallNo.png'
return no;
}
}
window.onload = alert('Welcome to my Project 4')
</script>
</head>
<body>
<body style="background:#EEEE17">
<!-- This part of the page will simulate a magic eight ball that will provide at least 4 answers.
When certain questions are asked, it will return the same answers. This is honestly a pretty cool project to work on. -->
<div style="text-align:center">
<h1>Project 4: Booyah!</h1>
<img src="../images/eightBallTemplate.png" >
<h2>Magic 8-Ball Game</h2>
<input type="text" id="answerBox" value="Please ask a question">
<input type="button" value="Submit for Magical Results" onclick='eightBall()'/>
<div id="myOutput"></div>
<hr>
<a href="http://pages.uoregon.edu/alans/111/CIS%20111/p4/mac.html">Old MacDonald In-Class Activity</a>
<br>
<a href="http://pages.uoregon.edu/alans/111/CIS%20111/p4/paramString.html">Parameter In-Class Activity</a>
<br>
<a href="http://pages.uoregon.edu/alans/111/CIS%20111/p4/isPrimeLight-jQuery.html">jQuery In-Class Activity</a>
<br>
<a href="http://pages.uoregon.edu/alans/111/CIS%20111/p4/string.html">String In-Class Activity</a>
<footer>
<p>
© Copyright by Alan Sylvestre
</p>
</footer>
</div>
</body>
最佳答案
您没有对函数的返回值执行任何操作。
您可能想将其分配给 <img>标签的src属性。
关于javascript - 来自字符串函数的图像，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/15194449/