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I've written a script that takes grades from a user for different units and then adds them to an array, shows the grades and also an average.
When I run the script it works fine, but instead of an average, it displays 'grade' is not defined.
var subjects = ["CF:", "DaD:", "PoP:", "N&CS:", "SAD:", "APP:"];
var grades = ["", "", "", "", "", ""];
var result;
grades[0] = prompt("Please enter your marks for CF: ");
grades[1] = prompt("Please enter your marks for DaD: ");
grades[2] = prompt("Please enter your marks for PoP: ");
grades[3] = prompt("Please enter your marks for N&CS: ");
grades[4] = prompt("Please enter your marks for SAD: ");
grades[5] = prompt("Please enter your marks for APP: ");
console.log("Units and grades are: ");
console.log(subjects[0] +"\t"+ grades[0] );
console.log(subjects[1] +"\t"+ grades[1] );
console.log(subjects[2] +"\t"+ grades[2] );
console.log(subjects[3] +"\t"+ grades[3] );
console.log(subjects[4] +"\t"+ grades[4] );
console.log(subjects[5] +"\t"+ grades[5] );
result = grades[0] + grades[1] + grades[2] + grades[3] + grades[4] +
grade[5];
console.log("Average: " + "\t" + result / 6);
anyone have any ideas?
Apologies for the bad javascript, i'm very new to this.
In this code,
result = grades[0] + grades[1] + grades[2] + grades[3] + grades[4] + grade[5];
grade[5] must be grades[5]. You missed "s" point.
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So I am creating a "Silly Story Generator" in Javascript and after fixing a few errors that popped up I encountered "SyntaxError: missing ) after argument list"
After reading more about it I learned that it occurs when there is an error with how a function is called. This might be a typo, a missing operator, or an unescaped string.
I checked my code and I cannot seem to find the mistake, string on line 38 looks okay.
Thank you.
randomize.addEventListener('click', result);
function result() {
if (customName.value !== '') {
let name = customName.value;
}
if (document.getElementById("uk").checked) {
let weight = Math.round(300);
let temperature = Math.round(94);
}
story.text = ""
story.style.visbility = 'visible';
var newStory = storyText;
let xItem = randomValueFromArray;
let yItem = randomValueFromArray;
let zItem = randomValueFromArray;
function newStory(buttonPress) {
newStory.contentString.replace("insertX", "insertY", "insertZ")
content.contentString.replace("xItem ", "yItem", "zItem");
}
}
Your Code is Badly formatted.
At newStory.contentString.replace("insertX", "insertY", "insertZ";)
You had a semi-colon inside the the parenthesis.
You are also missing two curly braces near the end.
I suggest getting a good IDE or using the formatting features that come with the one you use.
randomize.addEventListener('click', result);
function result() {
if (customName.value !== '') {
let name = customName.value;
}
if (document.getElementById("uk").checked) {
let weight = Math.round(300);
let temperature = Math.round(94);
}
story.text = ""
story.style.visbility = 'visible';
var newStory = storyText;
let xItem = randomValueFromArray;
let yItem = randomValueFromArray;
let zItem = randomValueFromArray;
function newStory(buttonPress) {
newStory.contentString.replace("insertX", "insertY", "insertZ")
content.contentString.replace("xItem ", "yItem", "zItem");
}
}
you have written a semicolon before the closing parentheses
newStory.contentString.replace("insertX", "insertY", "insertZ");
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Is there a function in Java Script that divide a string with several arguments?
var string = "This is a test text, again, this is a testing text";
For example, I can split with , by saying string.split(','); and I will have:
var string = ["This is a test text", "again", "this is a testing text"];
Now, I want to split it with several parameters, so string now would be
var string = ["test text", "testing text"]
I'm looking for a function that extract all the parts that start with test and end with text.
I'm not sure that I understood what you want, but here is a function I wrote in 2 minutes. With the following scenario
var string = "This is a test text, again, this is a testing text";
function customSplit(str_to_split, start_string, end_string) {
var res = [];
var start_index, end_index;
for (i = 0; i <= str_to_split.length; i++) {
start_index = str_to_split.toLowerCase().indexOf(start_string.toLowerCase(), i);
if (i == start_index) {
end_index = str_to_split.toLowerCase().indexOf(end_string.toLowerCase(), i);
if (end_index >= 0) {
res.push(str_to_split.substring(start_index, end_index + end_string.length));
}
}
}
return res;
}
console.log(customSplit(string, "test", "text"));
it will output ["test text", "testing text"].
Let me know if it helps you.
EDIT
Corrected a wrong behave with a particular string. Please remind that I wrote it in a couple of minutes.
Use a regex:
var str = "This is a test text, again, this is a testing text";
console.log(str.match(/test.+?text/g));
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Closed 8 years ago.
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I have this code that does not work:
kw _class = _keyword1;
var text = $("'input." + kw_class + "[type=text]'").val();
var val = $("'input." + kw_class + "[type=hidden]'").val();
Firefox console comes out with this:
`Syntax error, unrecognized expression: 'input._keyword1[type=text]'
I have tried at least three combos of this that are not working that I found from other questions.
Yes because you have ' ' inside of the selector. It should be:
var text = $("input." + kw_class + "[type=text]").val();
var val = $("input." + kw_class + "[type=hidden]").val();
you have extra '' in the selector
var text = $('input.' + kw_class + '[type=text]').val();
var val = $('input.' + kw_class + '[type=hidden]').val();
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I'm new to query/javascript and having a problem with the following code to calculate a gross value and tax amount based
on the net amount the user enters. The user will enter a double amount and the gross and vat amounts are also defined as doubles.
Can anyone help? I get an error: "Uncaught SyntaxError: Unexpected number" when i try running the following code.
$('#netPayment').change(calcLowerVatRateAndGrossAmount);
/* $('#netPayment').change(function(){
calcLowerVatRateAndGrossAmount();
}); */
});
function calcVatRateAndGrossAmount(){
var netPayment = parseFloat($('#netPayment').val());
var vatAmount = 00.0;
var VatRate = 20.0;
var grossPayment = 0.00;
var totalPaymentAmount = 0.00;
if (netPayment !== '') {
vatAmount = (netPayment * VatRate) / 100;
grossPayment = (netPayment - vatAmount);
$('#vatAmount').val(parseFloat(vatAmount.data).toFixed(2));
$('#grossPayment').val(parseFloat(grossPayment.data).toFixed(2));
} else {
$('#vatAmount').val(vatAmount.amountNull);
$('#grossPayment').val(grossPayment.amountNull);
}
};
So you calculate a number here
vatAmount = (netPayment * VatRate) / 100;
And in here, you treat vatAmount as an object that has a key data
$('#vatAmount').val(parseFloat(vatAmount.data).toFixed(2));
You should just be using the variable. A simple test
console.log("variable itself: ", vatAmount);
console.log("key data: ", vatAmount.data);
So you would need to just do
$('#vatAmount').val(vatAmount.toFixed(2));
$('#grossPayment').val(grossPayment.toFixed(2));
You do the same thing with grossPayment and you reference some other property vatAmount.amountNull
$('#vatAmount').val(vatAmount.amountNull);
$('#grossPayment').val(grossPayment.amountNull);
should be
$('#vatAmount').val(""); //or any error message
$('#grossPayment').val("");
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I have an array likes this
<script>
var myFruit = new Array("Apple", "orange", "banana", "plum", "pear");
var myindex = prompt("enter 0 to 4","");
document.write(myFruit[myindex]);
</script>
It will prompt a window and user enter a number then get result.
Now I don't want a prompt, I want to display the fruit in order like: My 1 fruit is an Aplle.
How can I write a code so that when I enter 1, then it will show: My 1 fruit is an (image) Apple. When I enter 2, it will show: My 2 fruit is an (image) orange....
I don't know how to get the index changed, then it will show both index and value simultaneously.
Please give me a hand . Thanks
------------------------------------------------------
From the help of user2782160, I have another concern below
I have 5 images put in an array likes this
<script>
var myDegree = new Array("30.gif", "60.gif", "90.gif", "120.gif", "150.gif");
.........
</script>
I need to write code somehow to have
<div id="degreeCount"> 30</div><div>//image 30.gif has to show inside this div</div>
I mean 30.gif will show next to the number 30.
Please give me a hand. Thank you!
Just concatenate the strings:
var myindex = parseInt(prompt("enter 0 to 4", ""), 10);
document.write ('My ' + myindex + ' fruit is an ' + myFruit[myindex]);
something like this i guess?
for(i = 0; i<myFruit.length; i++){
document.write("My "+i+" fruit is an <img src='URL HERE MINUS FRUIT NAME'"+myFruit[i]+".jpg>");
}