When trying to use Substring in JavaScript, I encountered an error stating that 'substr' is unknown. Despite my efforts to find a solution, I am unable to resolve this issue...
function confirm_ticket(idAgir,TempsEstime) {
var str = TempsEstime;
var strConcatenate = TempsEstime.slice(0, 2) + ":" + TempsEstime.slice(2, 4);
alert("Confirm maintenance time of " + strConcatenate + " min for ticket " + idAgir);
}
Could someone please help me identify what's wrong here? Thank you!
In JavaScript, the substr and substring methods are specific to the String object, meaning they can only be used on string data types. To determine the type of data you are working with, utilize the typeof keyword.
The substr method requires two arguments: 1) the starting index and 2) the number of characters to extract.
On the other hand, the substring method also takes two arguments: 1) the starting index and 2) the ending index.
Note: The original code had issues with white space formatting.
I believe the solution you are seeking involves using the substring() method.
Check out this resource for more information on substring()
function confirm_ticket(idTicket, EstimatedTime) {
var str = EstimatedTime;
var strConcatenate = EstimatedTime.substring(0, 2) + ":" + EstimatedTime.substring(2, 2);
alert("Confirm maintenance time of " + strConcatenate + " min for ticket " + idTicket);
}
Experiment with using the .substring() method to see if it solves the issue.
Also, double-check that the data type of 'TempsEstime' is indeed a string.
To extract a specific portion of a string, you can utilize the substring() method:
<script type="text/javascript">
var sentence = "The quick brown fox";
document.write(sentence.substring(4)+"<br />");
document.write(sentence.substring(4,9));
</script>
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