Answers for "javascript check value in string"

59

javascript string contains

var string = "foo",
    substring = "oo";

console.log(string.includes(substring));
Posted by: Guest on December-21-2019
28

javascript contains substring

var str = "We got a poop cleanup on isle 4.";
if(str.indexOf("poop") !== -1){
	alert("Not again");
}
//use indexOf (it returns position of substring or -1 if not found)
Posted by: Guest on July-18-2019
0

check if value is a string javascript

let eventValue = event.target.value;

    if (/^\d+$/.test(eventValue)) {
      eventValue = parseInt(eventValue, 10);
    }

//If value is a string, it converts to integer. 

//Otherwise it remains integer.
Posted by: Guest on May-19-2020

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