variable name to string javascript
//Get variable name as string
function getVariableName(v) {
for (var key in window) {
if (window[key] === v)
return key;
}
}
//testing
var someValue = "something not important right now";
console.log(getVariableName(someValue)); //>> prints "someValue"
//also works in functions
function print(a) {
console.log(getVariableName(a)); //>> prints "someValue" because of line 16
//you'd think it would print "a" but it doesnt
}
print(someValue);//>> look at line 14
3.71
7
var a = [1, 3, 4, 3]
var b = [1, 5, 6, 7]
var c = [3, 4, 8, 9]
function arraySum(x, varName) {
var sum = 0
for (let i = 0; i < x.length; i++) {
sum += x[i]
}
console.log("sum of " + varName + " is " + sum)
}
arraySum(a, "a");
Thank you!
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