I am having a problem with the last function on this page:textcheck(). It is supposed to alert the user if no text is entered. Can anyone see what it is I have done wrong? Thanks for the assistance.
Here is the HTML:
Code:
<!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" xml:lang="en" lang="en">
<style>
#title { font-weight: bolder;
font-size: 3em;}
label { font-weight: bolder;}
</style>
<head>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
<meta name="author" content="DIANE PITTS" />
<title>Assignment 8 & 9 </title>
</head>
<body>
<center><p id = "title">Assignment 8 & 9 </center></p>
<div id = "content" align = "center" >
<!-- Random Quote-->
<label>Random Quote <span id= "quotes"></span></label>
<script language="JavaScript">
var Quotation=new Array()
Quotation[0] = "Don’t be so humble - you are not that great.";
Quotation[1] = "The average person thinks he isn’t.";
Quotation[2] = "Show me a sane man and I will cure him for you.";
Quotation[3] = "If I were two-faced, would I be wearing this one?";
Quotation[4] = "I have an existential map; it has ‘you are here’ written all over it.";
var Quote = Quotation.length;
var whichQuotation=Math.round(Math.random()*(Quote-1));
function showQuotation(){document.write(Quotation[whichQuotation]);}
showQuotation();
</script>
<!-- Date and date parsed-->
<br /><br />
<label>Date: </label><span id="display"></span><br />
<label>Enter Days to add:</label>
<input type=text id="DaysToAdd" name="DaysToAdd" size=5 value=15>
<input type=button value="Change Date" onclick="AddDays()"><br />
<label>Parsed Date:</label>
<span id="parsedisplay"> </span><br />
<label>Enter Time (ms):</label><input type = text value=654487454652 id="chgtime"/>
<input type=button value="Change Time" onclick="ms()" ><br />
<label>Enter UTC Date:</label><span>
<input type = "text" value="25" id="chgutc"/>
<input type="button" value="Change to UTC" onclick="utc()"/></span><br />
<br /><br />
<hr />
</div>
<br /><br />
<!-- chg integer-->
<div id = "chginteger" align="center">
<label>Ceiling: </label><span id="ceiling"></span><br />
<label>Floor: </label><span id="floor"></span><br />
<label>Round: </label><span id="round"></span><br />
<label>Enter Integer:</label><span><input type = "text" value="13.9" id="num"/>
<input type="button" value="Change the Integer" onclick="chginteger()"/></span>
<br /><br /><br />
<hr />
</div>
<!-- Reg Expressions to check strings, url, email, phone#, date-->
<div id = "textcheck" align = "center" >
<label>Enter Sentence:</label><input type = "text" value="Enter a sentence with 'the' in it" id="newsentence"/>
<input type="button" value="Fix sentence" onclick="fixsentence()"/>
<br /><br /><span id="sentence"></span><br />
<label>Enter URL:</label><input type = "text" id="url" value="http://www.cnn.com"/>
<input type="button" value="Check URL" onclick="checkurl()"/>
<span id="ckurl"></span><br />
<label>Enter email address:</label><input type = "text" id="email" value="johndoe@url.com"/>
<input type="button" value="Check email" onclick="checkemail()"/>
<span id="ckemail"></span><br />
<label>Enter Phone Number:</label><input type = "text" value="(850)123-4567" id="cknum"/>
<input type="button" value="Check Number" onclick="ckphone()"/>
<span id="ckphone"></span><br />
<label>Enter Date:</label><input type = "text" value="01-01-2011" id="date"/>
<input type="button" value="Check Date" onclick="ckdate()" />
<span id="ckdate"></span><br />
<br /><br />
<hr />
</div>
<!-- Reg Expressions to form field data filled out correctly-->
<br /><br />
<div id = "validation" align = "center" >
<form >
<label>Validation Area </label><br />
<br />
<!--check checkbox for checkmark and if no checkmark exists alert user to enter checkmark.-->
<label>Are you online?</label><span><input type = "checkbox" value="" name="check" /></span><br />
<!--check dropbox for selection and if no selection exists alert user to enter choice.-->
<label>Choose<select name="droplist" id = optlist">
<option selected="selected" value="none">none</option>
<option value="male">male</option>
<option value="female">female</option>
<option value="other">other</option> </select>
<br />
<!--check name for text and if no text exists alert user to enter name.-->
<label> Name</label><span><input name="myname" type = "text" value="" id="myname"/></span><br />
<!--check textarea for text and if no text exists alert user to enter text.-->
<label>Describe Something</label><br /><span><textarea cols="40" rows="5" name="mytext" id="mytext">
</textarea>
<br />
<input type="button" value="Validate" onclick = "ValidateForm(this.form)" /></span><br />
<br /><br /></form>
</div>
<br /><br />
<script type="text/javascript" src="chapter8_9.js"></script>
</body>
</html>
Here is the external javascript
:
Code:
// date section
var date = new Date();
var f_box = document.getElementById("DaysToAdd");
f_box.focus();
var newdate=new Date();
// adds a user entered number of days to the present day and give result as well as parsed result
function AddDays() {
DaysToAdd=document.getElementById("DaysToAdd").value;
newdate.setDate(DaysToAdd);
document.getElementById("display").innerHTML = newdate.toString() ;
document.getElementById("parsedisplay").innerHTML=Date.parse(newdate);
}
// adds a user defined milliseconds to the present day and gives result as well as parsed result
function ms(){
mili= parseFloat(document.getElementById("chgtime").value);
newdate.setMilliseconds(mili);
document.getElementById("display").innerHTML=newdate.toString();
document.getElementById("parsedisplay").innerHTML=Date.parse(newdate);
}
// adds a user defined number of days to the present day and gives result as well as parsed result UTC
function utc(){
getutcdays= document.getElementById("chgutc").value;
newdate.setUTCDate(getutcdays);
document.getElementById("display").innerHTML=newdate.toUTCString();
document.getElementById("parsedisplay").innerHTML=Date.parse(newdate);
}
function chginteger(){
newnum=document.getElementById("num").value;
var ceiling = Math.ceil(parseFloat(newnum));
var floors = Math.floor(newnum);
var rnd= Math.round(newnum);
document.getElementById("ceiling").innerHTML= ceiling;
document.getElementById("floor").innerHTML= floors;
document.getElementById("round").innerHTML= rnd;
}
function fixsentence(){
newword= "eht";
var oldsentence = document.getElementById("newsentence").value;
var newsentence = oldsentence.replace("the",newword);
document.getElementById("sentence").innerHTML= newsentence;
}
function checkurl()
{
var theurl=document.getElementById("url").value;
matches= /http:\/\/[A-Za-z0-9\.-]{3,}\.[A-Za-z]{3}/
if (theurl.match(matches)){
document.getElementById("ckurl").innerHTML="OK";
}
else
{
document.getElementById("ckurl").innerHTML="BAD";
}
}
function ckphone()
{
var phoneno=document.getElementById("cknum").value;
matches= /^\(?(\d{3})\)?[- .]?(\d{3})[- .]?(\d{4})$/;
if (phoneno.match(matches)){
document.getElementById("ckphone").innerHTML="OK";
}
else
{
document.getElementById("ckphone").innerHTML="BAD";
}
}
function ckdate()
{
var date=document.getElementById("date").value;
// document.write("I am here " + theurl);
matches= /\b\d{1,2}[ .\/-]?\d{1,2}[ .\/-]?\d{4}\b/;
if (date.match(matches)){
document.getElementById("ckdate").innerHTML="OK";
}
else
{
document.getElementById("ckdate").innerHTML="BAD";
}
}
function checkemail()
{
var email=document.getElementById("email").value;
// document.write("I am here " + theurl);
matches= /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+.[a-zA-Z]{2,4}$/;
if (email.match(matches)){
document.getElementById("ckemail").innerHTML="OK";
}
else
{
document.getElementById("ckemail").innerHTML="BAD";
}
}
// validates checkbox, droplist, name, and textarea when button is clicked.
function ValidateForm(form){
//check checkbox for checkmark and if no checkmark exists alert user to enter checkmark
function checkbox(){
ErrorText= "";
if ( form.check.checked == false ) { alert ( "Please check box." ); return false; }
if (ErrorText= "") { form.submit() }
}
//check dropbox for selection and if no selection exists alert user to enter choice
function droplist(){
ErrorText= "";
if ( form.droplist.selectedIndex == 0 ) { alert ( "Please select from droplist." );
return false;
}
if (ErrorText= "") { form.submit() }
}
//check name for text and if no text exists alert user to enter name.
function namecheck(){
var mname=document.getElementById("myname").value;
ErrorText= "";
if (mname ==""){
alert("No Name !");
return false;
}
if (ErrorText= "") { form.submit() }
}
//check textarea for text and if no text exists alert user to enter text.
function textcheck(){
var mtext=document.getElementById("mytext").value;
//document.write("I am here " + mtext);
ErrorText= "";
if (mtext == "" ){
alert("No text !");
return false;
}
if (ErrorText= "") { form.submit() }
}
checkbox();
droplist();
namecheck();
textcheck();
}