With these 2 global function packed in small footprint js library file, you can make your javascript coding process faster. In manually way if you have 10 input element entries in your html form you have to process those input per element. Required at least 2 lines of code to get or set value for each element. so we already able to imagine you will need 2x10 lines of code just to get the input value, and so do with the load data process from your data sources to html form. It means for both process you will need roughly +-40 lines of code. Using this js library you will need at most 4 lines of code for both get and set value from/to your html form.