showing results for - "js check if variable is string"
Ian
18 Sep 2016
1if (typeof myVar === 'string'){
2    //I am indeed a string
3}
Juan
25 Jan 2018
1if (typeof a_string === 'string') {
2    // this is a string
3}
Clément
25 Feb 2020
1if (typeof myVar === 'integer'){
2    //I am indeed an integer
3}
4
5if (typeof myVar === 'boolean'){
6    //I am indeed a boolean
7}
Dash
08 Nov 2017
1var booleanValue = true; 
2var numericalValue = 354;
3var stringValue = "This is a String";
4var stringObject = new String( "This is a String Object" );
5alert(typeof booleanValue) // displays "boolean"
6alert(typeof numericalValue) // displays "number"
7alert(typeof stringValue) // displays "string"
8alert(typeof stringObject) // displays "object"
9
Malik
01 Sep 2020
1let eventValue = event.target.value;
2
3    if (/^\d+$/.test(eventValue)) {
4      eventValue = parseInt(eventValue, 10);
5    }
6
7//If value is a string, it converts to integer. 
8
9//Otherwise it remains integer.
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