JS comienza con
var str = "Hello world, welcome to the universe.";
var n = str.startsWith("Hello");
qiankunli
var str = "Hello world, welcome to the universe.";
var n = str.startsWith("Hello");[[ $a == z* ]] # True if $a starts with a "z" (wildcard matching).
[[ $a == "z*" ]] # True if $a is equal to z* (literal matching).
if [[ "$HOST" =~ ^user.* ]]; then
echo "yes"
fi
if [[ "$HOST" =~ ^user.*|^host1 ]]; then
echo "yes"
fi
const str = "Saturday night plans";
const res = str.startsWith("Sat");
console.log(res); //> trueconst str1 = 'Saturday night plans';
console.log(str1.startsWith('Sat'));
// expected output: true
console.log(str1.startsWith('Sat', 3));
// expected output: false
//checks if a string starts with a word
function startsWith(str, word) {
return str.lastIndexOf(word, 0) === 0;
}
startsWith("Welcome to earth.","Welcome"); //trueJavaScript startsWith() Case sensitive Example
const text = 'Hello, Welcome to JavaScript World';
console.log(text.startsWith('Hello')); // true
console.log(text.startsWith('hello')); // false