JSFiddle - React, Tailwind, and code Playground

by kazumasa sait

JavaScript

/*var phrase = '何か日本語を入れます';
console.log(phrase.length); */

//文字を半角スペースで区切って変数wordsに代入
/*
var phrase = 'This is simple phrase.';
var words = phrase.split(' ');
console.log(words[3]);

開始位置を出力する
indexOf のOは大文字
var phrase = 'This is simple phrase.';
var position = phrase.indexOf('simple')
console.log(position);

*/

/* if ( phrase.indeOf('simple') == -1); {
} else{
}
*/


var phrase = 'This is another phrase.';
var newPhrase = phrase.slice(10,15)
console.log(newPhrase)