get type of var js
function doSomething(x) {
if(typeof(x) === 'string') {
alert('x is a string')
} else if(typeof(x) === 'number') {
alert('x is a number')
}
}get type of var js
function doSomething(x) {
if(typeof(x) === 'string') {
alert('x is a string')
} else if(typeof(x) === 'number') {
alert('x is a number')
}
}check type string javascript
if (typeof myVar === 'string' || myVar instanceof String)
// it's a string
else
// it's something elsecheck type javascript
console.log(typeof "how are you?")
"string"
console.log(typeof false) / console.log(typeof true)
"boolean"
console.log(typeof 100)
"number"type of javascript
//typeof() will return the type of value in its parameters.
//some examples of types: undefined, NaN, number, string, object, array
//example of a practical usage
if (typeof(value) !== "undefined") {//also, make sure that the type name is a string
//execute code
}get type of var js
var x = 12345;
console.log(typeof x) // number
x = 'string';
console.log(typeof x) // string
x = { key: 'value' };
console.log(typeof x) // objectjavascript check type of variable var
> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"Copyright © 2021 Codeinu
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