How to add placeholder text

placeholder  Create placeholders with the placeholder class and a grid column class to set the width They can replace the text inside an element or be Answer Placeholder text must meet a color contrast requirement of at least :1 contrast ratio, or 3:1 contrast ratio if its large (larger than 18pt or 14pt +

Introduced as part of the HTML5 specification, the placeholder attribute “represents a short hint intended to aid the Placeholder New in 0 A placeholder is used to reserve space for content that soon will appear in a layout Placeholders can include paragraph , header ,

Summary: Placeholder text within a form field makes it difficult for people to remember what information belongs in a field, and to check Placeholder text นั้นจริงๆแล้วไม่ใช่ validation feature แต่เป็น feature ที่พัฒนาโดย JavaScript กันมานานแล้ว ข้อความจะแสดงอยู่ในช่องกรอกข้อมูลและจะหายไปเมื่อเราพิมพ์ลงไปในช่องกรอกข้อมูล