Looking for help with a function that can determine if a string contains a period and add one if it doesn't. So far, I'm struggling to make it either continuously add periods or not add any at all.
function checkPeriod() {
if (inputString.indexOf(".") < 0) {
inputString = inputString + ".";
document.getElementById("output").innerHTML = inputString;
}}
To handle the scenario where there is no match in your language, you would most likely use == -1 with indexOf.
Currently, you are stating:
You should be saying:
By checking for indexOf == -1 or < 0, you can achieve this.
Here is an example of how the point function should be implemented:
function point() {
if (numberOne.indexOf(".") == -1) {
numberOne = numberOne + addPoint;
document.getElementById("output").innerHTML = numberOne;
}
}
If indexOf doesn't find the specified value, it will return -1. This is why it is important to compare with -1 to determine if the value was not found.
function addDecimal() {
if (num.indexOf(".") == -1) {
num = num + ".";
document.getElementById("result").innerHTML = num;
}
}
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