Error in project: Uncaught SyntaxError: Unexpected token var

Question

Error in project: Uncaught SyntaxError: Unexpected token var

I am making a console with javascript but I have had problems to find out the source of the error. I've reviewed the code several times and couldn't figure out what's wrong. Any help is appreciated.

var logStack = 0;
var showTime = false;
var currDate = new Date();
var i = 0;
var tempStr = "temp";

function getLogStr(var lineNum) {
	if(lineNum <= 10 & lineNum > 0) {
		return document.getELementById("line" + lineNum);
	} else {
		tempSTr = "Invalid line!";
		return tempStr;
	}
}

function setLogStr(var newLog, var line) {
	if(line <= 10 & line > 0) {
	document.getELementById("line" + line).innerHTML = newLog;
	} else {
		console.log("Invalid line!");
	}
}

function shiftLog(var line10) {

if(logStack == 10) {
	for(i = 1;i <= 10;i++) {
		setLogStr(i,getLogStr(i + 1));
	}
	setLogStr(10,line10);

} else {
	console.log("There are free lines!");
}
}



function logOnConsole(var newLog) {
currDate = Date();
	if(logStack == 10) {
		shiftLog(new Date().getHours());
	} else {
		setLogStr(newLog, logSTack + 1);
		logStack++;
	}
}

<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1" />
<title>Ice Console</title>
</head>
<body>
<div id="line1"></div>
<br />
<div id="line2"></div>
<br />
<div id="line3"></div>
<br />
<div id="line4"></div>
<br />
<div id="line5"></div>
<br />
<div id="line6"></div>
<br />
<div id="line7"></div>
<br />
<div id="line8"></div>
<br />
<div id="line9"></div>
<br />
<div id="line10"></div>
<br />
<input type="text" id="console" />
<input type="button" value="Run" />

</body>
</html>

1

javascript syntax-error

Author: Gabriel C., 2017-02-18

Source

1 answers

score 2 · Accepted Answer

Removes all var from function arguments, this is wrong syntax in JavaScript.

I.e. changes function getLogStr(var lineNum) { to function getLogStr(lineNum) {.

These variables such as lineNum are declared by the function and are only available within the function (i.e. they are limited to the scope of the function).