data-id in lwc code example
Example: get element by id in lwc
let firstClass = this.template.querySelector(".first-class");
let secondClasses = firstClass.querySelectorAll(".second-class");
secondClasses[2].value = 'Some Value';
let firstClass = this.template.querySelector(".first-class");
let secondClasses = firstClass.querySelectorAll(".second-class");
secondClasses[2].value = 'Some Value';