Edit fiddle - JSFiddle - React, Tailwind, and code Playground

JSFiddle - React, Tailwind, and code Playground

by gaby de wilde December 24, 2015

JavaScript

my_string          = "hello world";
my_insert          = " dear";
my_insert_location = 5;

my_string = my_string.split('');  
my_string.splice( my_insert_location , 0, my_insert );
my_string = my_string.join('');

alert(my_string)

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JSFiddle - React, Tailwind, and code Playground

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Use pre-released features

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