-3
我需要一些帮助,我想实现,当用户选择级别2时,方程中的数字变大。我不确定如何编码,应该很快解决,谢谢。数学编码简单修正需要
<html>
<select id="mySelect">
<option id="Level1">Level 1</option> // selecting level 2 should make the equations harder
<option id="Level2">Level 2</option>
</select>
<p id="demo"></p>
<button onclick="INlist(10)">Start!</button>
<p id="demo6"></p>
<script>
var num1 = [];
var num2 = [];
var ans = [];
var msum = [];
function INlist(count)
{
document.getElementById("demo6").innerHTML = ""
for (i = 0; i < count; i++)
{
num1[i] = 0;
num2[i] = 0;
ans[i] = 0;
msum[i] = 0;
}
for (i = 0; i < count; i++)
{
num1[i] = Math.ceil(Math.random()*9); // these two lines decide how large the numbers are
num2[i] = Math.ceil(Math.random()*9);
ans[i] = num1[i] + num2[i];
msum[i] = num1[i] + " + " + num2[i] + " = "
+ "<input id=\"resp" + i + "\" onchange=\"check(this.value)\" type=\"text\" name=\"fname\"><br>";
document.getElementById("demo6").innerHTML = document.getElementById ("demo6").innerHTML + msum[i];
}
}
</script>
</html>
请参阅http://stackoverflow.com/help/mcve 如果您需要帮助,请尝试更清楚您要实现的目标。如果您可以在线查找示例,制作代码片段,并且/或者提供示例输出,您将得到更好的响应。 – Damon