string check javascript code example

Example 1: string check javascript

if (typeof myVar === 'string') { /* code */ };

Example 2: js test if string

if (typeof string === 'string') { /* code */ };

Example 3: js check if string contains character

"FooBar".includes("oo"); // true

"FooBar".includes("foo"); // false

"FooBar".includes("oo", 2); // false

Example 4: js check if string contains character

if (your_string.indexOf('hello') > -1)
{
  alert("hello found inside your_string");
}