javascript check if string contains character
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 check if string contains character
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)
js check if string contains character
"FooBar".includes("oo"); // true
"FooBar".includes("foo"); // false
"FooBar".includes("oo", 2); // false
javascript check if string contains a text substring
stringVariable.includes("Your Text");
js check if string contains character
if (your_string.indexOf('hello') > -1)
{
alert("hello found inside your_string");
}
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