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How would you go around to collect the first letter of each word in a string, as in to receive an abbreviation?
Input: "Java Script Object Notation"
Output: "JSON"
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Get the First Letter of the String You should use the charAt() method, at index 0, to select the first character of the string. NOTE: charAt is preferable than using [ ] (bracket notation) as str. charAt(0) returns an empty string ( '' ) for str = '' instead of undefined in case of ''[0] .
In JavaScript, we have a method called toUpperCase() , which we can call on strings, or words. As we can imply from the name, you call it on a string/word, and it is going to return the same thing but as an uppercase. For instance: const publication = "freeCodeCamp"; publication[0].
var header = $('. time'+col). text(); alert(header);
Simple for loop can use for in iterate through words in a string JavaScript. And for iterate words in string use split, map, and join methods (functions).
I think what you're looking for is the acronym of a supplied string.
var str = "Java Script Object Notation"; var matches = str.match(/\b(\w)/g); // ['J','S','O','N'] var acronym = matches.join(''); // JSON console.log(acronym)Note: this will fail for hyphenated/apostrophe'd words Help-me I'm Dieing will be HmImD. If that's not what you want, the split on space, grab first letter approach might be what you want.
Here's a quick example of that:
let str = "Java Script Object Notation"; let acronym = str.split(/\s/).reduce((response,word)=> response+=word.slice(0,1),'') console.log(acronym);If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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