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Closed 7 years ago.
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I have a timer ( 15 ) and it count down till it reach 0 and then it repeat
their is a button that I want to click when the timer is less than 2
my code is :
setInterval(function(){
var x = document.getElementById('timer').innerHTML ;
function getSecondPart(str) {
return str.split('00<span>:</span>00<span>:</span>')[1];
}
if (getSecondPart(x) < 04) {
document.getElementById('bidButton').click();
}
} ,100);
but is return this error :
SyntaxError: expected expression, got ','
why ?
You're missing a bracket to close the function:
setInterval(function(){
if (getSecondPart(x) < 2) {
document.getElementById('bidButton').click();
}
} ,100);
Try to use more indentation and it will be clearer.
Related
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Closed 2 years ago.
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This is my first post on Stack Overflow, thanks in advance for answering me!
I need to count how many dots and exclamation marks there are in a single paragraph. I am using a for loop for this.
const storySigns = story.split('');
let puncCount = 0;
for (let i = 0; i < storySigns.length; i++)
{
if (i === '.' || i === '!') {
puncCount += 1;
}
};
Why does the output of puncCount equals 0?
I is a counter here its values is 0 then 1 then 2 then 3 until n
It will never be equal to '.' Or '!'
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This is happening on an angular application I'm building. If a user enters 80 into an HTML input, it always seems to get this comparison wrong.
var x = '80';
var y = 150.9800;
/* Returns incorrect answer */
if (parceFloat(x) < y) {
return true;
} else {
return false;
}
You need to use ParseFloat() not parceFloat() ...
parceFloat is not an existing function.
parceFloat() is not a function, the function is parseFloat()
A simple typo is all the error there is.
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The code below throws the following exeption:
Uncaught TypeError: someFunction(...) is not a function
What is causing this exception to be thrown?
map = function (someList, someFunction){
var result =[];
for (x = 0; x < someList.length; x++ ){
result.push(someFunction(someList[x])());
}
return result;
};
map([1,2,3,4], function(num){
return num * 10;
});
The problem is in this line
result.push(someFunction(someList[x])());
^^
This extra parentheses are redundant. You are already calling the function someFunction by saying someFunction(someList[x]). By adding these extra parentheses, you are basically trying to call the return value of someFunction(someList[x]), which is a number here, not a function.
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Closed 6 years ago.
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I have a function in javascript as so :
function player(){
var cards=[];
this.score=0;
var self=this;
this.addCard=addCard;
this.resetCards=resetCards;
function addCard(card){
cards.push(card);
this.score=+card.value;
}
function resetCards(){
cards=[];
score=0;
}
}
I user a constructor to call the function :
var player1=new player();
Then I call some of its enclosed functions like this
player1.addCard(someCardObject);//card someCardObject has .value say 5
player1.addCard(someCardObject);//card someCardObject has .value say 7
I expect player1.score to be 5+7=12 ,but it stays 7 .
Can anyone tell me what I am doing wrong here
You've got a simple error in addCard.
this.score=+card.value;
Should be
this.score += card.value;
In the first instance, you're setting this.score equal to card.value, while in the second one, you're adding card.value to it. Remember kids, order of operators matters!
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Closed 6 years ago.
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var input = message.content.toUpperCase();
if(input.indexOf("!")
{
bot.sendMessage(message, "!!!");
}
Help would be great, also earlier input was defined earlier
The String#indexOf method returns the index if found else returns -1. In your case .indexOf("!") return 0 and it's a false value and if statement never gets executed,so update your condition based on that.
if(input.indexOf("!") > -1)
or
if(input.indexOf("!") != -1)