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)
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)
includes in javascript
var colors = ['yellow', 'red', 'pink'];
var string = 'yellow and red are pretty cool';
// outputs false
console.log(colors.include('blue');
// outputs true
console.log(string.includes('yellow');
js check if string contains character
if (your_string.indexOf('hello') > -1)
{
alert("hello found inside your_string");
}
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